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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-08-18</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000807630</issuerCik>
        <issuerName>MAN SANG HOLDINGS INC</issuerName>
        <issuerTradingSymbol>MHJ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001258988</rptOwnerCik>
            <rptOwnerName>AU MOON YING HENRY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>21/F., RAILWAY PLAZA, 39 CHATHAM</rptOwnerStreet1>
            <rptOwnerStreet2>ROAD SOUTH, TSIMSHATSUI</rptOwnerStreet2>
            <rptOwnerCity>KOWLOON</rptOwnerCity>
            <rptOwnerState>K3</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>HONG KONG</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO (Note A)</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>Note A:  Resigned as Chief Financial Officer of the Issuer with effect from  August 18, 2006</remarks>

    <ownerSignature>
        <signatureName>/s/ Au Moon Ying, Henry</signatureName>
        <signatureDate>2006-08-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
