<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>216</ContextCount>
  <ElementCount>448</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>80</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Consolidated Balance Sheets (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Consolidated Balance Sheets (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Consolidated Statements of Operations and Comprehensive Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Loss</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Consolidated Statements of Changes in Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ShareholdersEquityType2or3</Role>
      <ShortName>Consolidated Statements of Changes in Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Disclosure - Organization and Nature of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/OrganizationandNatureofOperations</Role>
      <ShortName>Organization and Nature of Operations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Disclosure - Basis of Presentation and Going Concern Condition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/BasisofPresentationandGoingConcernCondition</Role>
      <ShortName>Basis of Presentation and Going Concern Condition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SummaryofSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - Prepaid Expenses and Other Current Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/PrepaidExpensesandOtherCurrentAssets</Role>
      <ShortName>Prepaid Expenses and Other Current Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - Property and Equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/PropertyandEquipment</Role>
      <ShortName>Property and Equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - Investment in Real Estate</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/InvestmentinRealEstate</Role>
      <ShortName>Investment in Real Estate</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - Equity Method Investment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/EquityMethodInvestment</Role>
      <ShortName>Equity Method Investment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - Accrued Liabilities and Other Payables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/AccruedLiabilitiesandOtherPayables</Role>
      <ShortName>Accrued Liabilities and Other Payables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - Income taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/Incometaxes</Role>
      <ShortName>Income taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/Equity</Role>
      <ShortName>Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - Statutory Reserve and Restricted Net Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/StatutoryReserveandRestrictedNetAssets</Role>
      <ShortName>Statutory Reserve and Restricted Net Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - Noncontrolling Interest</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/NoncontrollingInterest</Role>
      <ShortName>Noncontrolling Interest</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - Condensed Financial Information of the Parent Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/CondensedFinancialInformationoftheParentCompany</Role>
      <ShortName>Condensed Financial Information of the Parent Company</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - Concentrations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/Concentrations</Role>
      <ShortName>Concentrations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SegmentInformation</Role>
      <ShortName>Segment Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - Commitments and Contincengies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/CommitmentsandContincengies</Role>
      <ShortName>Commitments and Contincengies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>023 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>024 - Disclosure - Accounting Policies, by Policy (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/AccountingPoliciesByPolicy</Role>
      <ShortName>Accounting Policies, by Policy (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>025 - Disclosure - Organization and Nature of Operations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/OrganizationandNatureofOperationsTables</Role>
      <ShortName>Organization and Nature of Operations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/OrganizationandNatureofOperations</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>026 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SummaryofSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>027 - Disclosure - Prepaid Expenses and Other Current Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/PrepaidExpensesandOtherCurrentAssetsTables</Role>
      <ShortName>Prepaid Expenses and Other Current Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/PrepaidExpensesandOtherCurrentAssets</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>028 - Disclosure - Property and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/PropertyandEquipmentTables</Role>
      <ShortName>Property and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/PropertyandEquipment</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>029 - Disclosure - Investment in Real Estate (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/InvestmentinRealEstateTables</Role>
      <ShortName>Investment in Real Estate (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/InvestmentinRealEstate</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>030 - Disclosure - Equity Method Investment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</Role>
      <ShortName>Equity Method Investment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestment</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>031 - Disclosure - Accrued Liabilities and Other Payables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/AccruedLiabilitiesandOtherPayablesTables</Role>
      <ShortName>Accrued Liabilities and Other Payables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/AccruedLiabilitiesandOtherPayables</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>032 - Disclosure - Related Party Transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/RelatedPartyTransactionsTables</Role>
      <ShortName>Related Party Transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/RelatedPartyTransactions</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>033 - Disclosure - Income taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/IncometaxesTables</Role>
      <ShortName>Income taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/Incometaxes</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>034 - Disclosure - Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/EquityTables</Role>
      <ShortName>Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestment</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>035 - Disclosure - Concentrations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ConcentrationsTables</Role>
      <ShortName>Concentrations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/Concentrations</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>036 - Disclosure - Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SegmentInformationTables</Role>
      <ShortName>Segment Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SegmentInformation</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>037 - Disclosure - Commitments and Contincengies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/CommitmentsandContincengiesTables</Role>
      <ShortName>Commitments and Contincengies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/CommitmentsandContincengies</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>038 - Disclosure - Organization and Nature of Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/OrganizationandNatureofOperationsDetails</Role>
      <ShortName>Organization and Nature of Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/OrganizationandNatureofOperationsTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>039 - Disclosure - Organization and Nature of Operations (Details) - Schedule of company's subsidiaries consolidated financial statements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofcompanyssubsidiariesconsolidatedfinancialstatementsTable</Role>
      <ShortName>Organization and Nature of Operations (Details) - Schedule of company's subsidiaries consolidated financial statements</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/OrganizationandNatureofOperationsTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>040 - Disclosure - Basis of Presentation and Going Concern Condition (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/BasisofPresentationandGoingConcernConditionDetails</Role>
      <ShortName>Basis of Presentation and Going Concern Condition (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/BasisofPresentationandGoingConcernCondition</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>041 - Disclosure - Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SummaryofSignificantAccountingPoliciesTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>042 - Disclosure - Summary of Significant Accounting Policies (Details) - Schedule of cash balances by geographic area</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofcashbalancesbygeographicareaTable</Role>
      <ShortName>Summary of Significant Accounting Policies (Details) - Schedule of cash balances by geographic area</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SummaryofSignificantAccountingPoliciesTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>043 - Disclosure - Summary of Significant Accounting Policies (Details) - Schedule of the effect of including these potential shares was antidilutive</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleoftheeffectofincludingthesepotentialshareswasantidilutiveTable</Role>
      <ShortName>Summary of Significant Accounting Policies (Details) - Schedule of the effect of including these potential shares was antidilutive</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SummaryofSignificantAccountingPoliciesTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>044 - Disclosure - Prepaid Expenses and Other Current Assets (Details) - Schedule of prepaid expenses and other current assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofprepaidexpensesandothercurrentassetsTable</Role>
      <ShortName>Prepaid Expenses and Other Current Assets (Details) - Schedule of prepaid expenses and other current assets</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/PrepaidExpensesandOtherCurrentAssetsTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>045 - Disclosure - Property and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/PropertyandEquipmentDetails</Role>
      <ShortName>Property and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/PropertyandEquipmentTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>046 - Disclosure -  Property and Equipment (Details) - Schedule of property and equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofpropertyandequipmentTable</Role>
      <ShortName>Property and Equipment (Details) - Schedule of property and equipment</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/PropertyandEquipmentTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>047 - Disclosure - Investment in Real Estate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/InvestmentinRealEstateDetails</Role>
      <ShortName>Investment in Real Estate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/InvestmentinRealEstateTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>048 - Disclosure - Investment in Real Estate (Details) - Summary of investment in real estate</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SummaryofinvestmentinrealestateTable</Role>
      <ShortName>Investment in Real Estate (Details) - Summary of investment in real estate</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/InvestmentinRealEstateTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>049 - Disclosure - Equity Method Investment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/EquityMethodInvestmentDetails</Role>
      <ShortName>Equity Method Investment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>050 - Disclosure - Equity Method Investment (Details) - Schedule of equity method investment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofequitymethodinvestmentTable</Role>
      <ShortName>Equity Method Investment (Details) - Schedule of equity method investment</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>051 - Disclosure - Equity Method Investment (Details) - Schedule of financial information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleoffinancialinformationTable</Role>
      <ShortName>Equity Method Investment (Details) - Schedule of financial information</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>052 - Disclosure - Equity Method Investment (Details) - Schedule of financial information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleoffinancialinformationTable0</Role>
      <ShortName>Equity Method Investment (Details) - Schedule of financial information</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>053 - Disclosure - Accrued Liabilities and Other Payables (Details) - Schedule of accrued liabilities and other payables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofaccruedliabilitiesandotherpayablesTable</Role>
      <ShortName>Accrued Liabilities and Other Payables (Details) - Schedule of accrued liabilities and other payables</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/AccruedLiabilitiesandOtherPayablesTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>054 - Disclosure - Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/RelatedPartyTransactionsDetails</Role>
      <ShortName>Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/RelatedPartyTransactionsTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>055 - Disclosure - Related Party Transactions (Details) - Schedule of medical related consulting services revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofmedicalrelatedconsultingservicesrevenueTable</Role>
      <ShortName>Related Party Transactions (Details) - Schedule of medical related consulting services revenue</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/RelatedPartyTransactionsTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>056 - Disclosure - Related Party Transactions (Details) - Schedule of line of credit</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleoflineofcreditTable</Role>
      <ShortName>Related Party Transactions (Details) - Schedule of line of credit</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/RelatedPartyTransactionsTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>057 - Disclosure - Income taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/IncometaxesDetails</Role>
      <ShortName>Income taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/IncometaxesTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>058 - Disclosure - Income taxes (Details) - Schedule loss before income taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SchedulelossbeforeincometaxesTable</Role>
      <ShortName>Income taxes (Details) - Schedule loss before income taxes</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/IncometaxesTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>059 - Disclosure - Income taxes (Details) - Schedule of income taxes expense (benefit)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofincometaxesexpensebenefitTable</Role>
      <ShortName>Income taxes (Details) - Schedule of income taxes expense (benefit)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/IncometaxesTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>060 - Disclosure - Income taxes (Details) - Schedule of differences between U.S. statutory rate and Company's effective tax rate</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofdifferencesbetweenUSstatutoryrateandCompanyseffectivetaxrateTable</Role>
      <ShortName>Income taxes (Details) - Schedule of differences between U.S. statutory rate and Company's effective tax rate</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/IncometaxesTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>061 - Disclosure - Income taxes (Details) - Schedule of deferred income tax assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofdeferredincometaxassetsTable</Role>
      <ShortName>Income taxes (Details) - Schedule of deferred income tax assets</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/IncometaxesTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>062 - Disclosure - Equity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/EquityDetails</Role>
      <ShortName>Equity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>063 - Disclosure - Equity (Details) - Schedule of stock options outstanding</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofstockoptionsoutstandingTable</Role>
      <ShortName>Equity (Details) - Schedule of stock options outstanding</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>064 - Disclosure - Equity (Details) - Schedule of stock option activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofstockoptionactivitiesTable</Role>
      <ShortName>Equity (Details) - Schedule of stock option activities</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>065 - Disclosure - Equity (Details) - Schedule of company???s nonvested stock options granted</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofcompanysnonvestedstockoptionsgrantedTable</Role>
      <ShortName>Equity (Details) - Schedule of company???s nonvested stock options granted</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/EquityMethodInvestmentTables</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>066 - Disclosure - Statutory Reserve and Restricted Net Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/StatutoryReserveandRestrictedNetAssetsDetails</Role>
      <ShortName>Statutory Reserve and Restricted Net Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/StatutoryReserveandRestrictedNetAssets</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>067 - Disclosure - Noncontrolling Interest (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/NoncontrollingInterestDetails</Role>
      <ShortName>Noncontrolling Interest (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/NoncontrollingInterest</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>068 - Disclosure - Condensed Financial Information of the Parent Company (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/CondensedFinancialInformationoftheParentCompanyDetails</Role>
      <ShortName>Condensed Financial Information of the Parent Company (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/CondensedFinancialInformationoftheParentCompany</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>069 - Disclosure - Concentrations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ConcentrationsDetails</Role>
      <ShortName>Concentrations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/ConcentrationsTables</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>070 - Disclosure - Concentrations (Details) - Schedule of customers</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofcustomersTable</Role>
      <ShortName>Concentrations (Details) - Schedule of customers</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/ConcentrationsTables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>071 - Disclosure - Segment Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SegmentInformationDetails</Role>
      <ShortName>Segment Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SegmentInformationTables</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>072 - Disclosure - Segment Information (Details) - Schedule of segment reporting information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofsegmentreportinginformationTable</Role>
      <ShortName>Segment Information (Details) - Schedule of segment reporting information</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SegmentInformationTables</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>073 - Disclosure - Segment Information (Details) - Schedule of real property operating</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofrealpropertyoperatingTable</Role>
      <ShortName>Segment Information (Details) - Schedule of real property operating</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SegmentInformationTables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>074 - Disclosure - Segment Information (Details) - Schedule of identifiable long-lived tangible assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofidentifiablelonglivedtangibleassetsTable</Role>
      <ShortName>Segment Information (Details) - Schedule of identifiable long-lived tangible assets</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SegmentInformationTables</ParentRole>
      <Position>75</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>075 - Disclosure - Commitments and Contincengies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/CommitmentsandContincengiesDetails</Role>
      <ShortName>Commitments and Contincengies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/CommitmentsandContincengiesTables</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>076 - Disclosure - Commitments and Contincengies (Details) - Schedule of supplemental cash flow information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofsupplementalcashflowinformationTable</Role>
      <ShortName>Commitments and Contincengies (Details) - Schedule of supplemental cash flow information</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/CommitmentsandContincengiesTables</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>077 - Disclosure - Commitments and Contincengies (Details) - Schedule of lease term and discount rate for the Company???s operating lease</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofleasetermanddiscountratefortheCompanysoperatingleaseTable</Role>
      <ShortName>Commitments and Contincengies (Details) - Schedule of lease term and discount rate for the Company???s operating lease</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/CommitmentsandContincengiesTables</ParentRole>
      <Position>78</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>078 - Disclosure - Commitments and Contincengies (Details) - Schedule of maturity of lease liability</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/ScheduleofmaturityofleaseliabilityTable</Role>
      <ShortName>Commitments and Contincengies (Details) - Schedule of maturity of lease liability</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/CommitmentsandContincengiesTables</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="f10k2021_avalonglob.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>079 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.avalonglobocare.com/role/SubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.avalonglobocare.com/role/SubsequentEvents</ParentRole>
      <Position>80</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K" original="f10k2021_avalonglob.htm">f10k2021_avalonglob.htm</File>
    <File>avco-20211231.xsd</File>
    <File>avco-20211231_cal.xml</File>
    <File>avco-20211231_def.xml</File>
    <File>avco-20211231_lab.xml</File>
    <File>avco-20211231_pre.xml</File>
    <File>f10k2021ex10-47_avalon.htm</File>
    <File>f10k2021ex10-48_avalon.htm</File>
    <File>f10k2021ex10-49_avalon.htm</File>
    <File>f10k2021ex23-1_avalon.htm</File>
    <File>f10k2021ex31-1_avalon.htm</File>
    <File>f10k2021ex31-2_avalon.htm</File>
    <File>f10k2021ex32-1_avalon.htm</File>
    <File>f10k2021ex32-2_avalon.htm</File>
    <File>f10k2021ex4-9_avalon.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>image_001.jpg</File>
    <File>image_002.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="2">http://fasb.org/srt/2021-01-31</BaseTaxonomy>
    <BaseTaxonomy items="778">http://fasb.org/us-gaap/2021-01-31</BaseTaxonomy>
    <BaseTaxonomy items="37">http://xbrl.sec.gov/dei/2021q4</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
