<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-08-17</periodOfReport>

    <issuer>
        <issuerCik>0000019002</issuerCik>
        <issuerName>Cybrdi, Inc.</issuerName>
        <issuerTradingSymbol>CYDI.PK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001487883</rptOwnerCik>
            <rptOwnerName>Bai Yanbiao</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CYBRDI, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>NO 29 CHANG'AN SOUTH ROAD</rptOwnerStreet2>
            <rptOwnerCity>XI'AN SHAANXI</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>710061</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman, CEO and President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-08-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>54468756</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.008</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>75625153</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 9,156,397 shares of common stock held by Shaanxi Chaoying Beauty and Cosmetic Group, of which the Reporting Person owns 64% of the outstanding stock and is the President. The 54,468,756 shares were issued in consideration for the conversion of $605,723 in indebtedness owed to an affiliate of Mr. Bai, less an offset of $169,973 due from another affiliate.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Yanbiao Bai</signatureName>
        <signatureDate>2011-09-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
