-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Em5XPvC0q9taTAmT9/XtSBuCMWfLV3JjNp3MRDiFMeDGQotJDAX7MKVfWE0adizc
 BXSeTO6aS7kO19wR8LztMA==

<SEC-DOCUMENT>0001235839-09-000003.txt : 20091007
<SEC-HEADER>0001235839-09-000003.hdr.sgml : 20091007
<ACCEPTANCE-DATETIME>20091007200447
ACCESSION NUMBER:		0001235839-09-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090819
FILED AS OF DATE:		20091007
DATE AS OF CHANGE:		20091007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Downing Kirk
		CENTRAL INDEX KEY:			0001324686

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32473
		FILM NUMBER:		091110980

	MAIL ADDRESS:	
		STREET 1:		111 SOUTH POINSETTIA PL
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90036

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN DAIRY INC
		CENTRAL INDEX KEY:			0000789868
		STANDARD INDUSTRIAL CLASSIFICATION:	DAIRY PRODUCTS [2020]
		IRS NUMBER:				870445575
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2275 HUNTINGTON DRIVE #278
		CITY:			SAN MARINO
		STATE:			CA
		ZIP:			91108
		BUSINESS PHONE:		626-757-8885

	MAIL ADDRESS:	
		STREET 1:		2275 HUNTINGTON DRIVE #278
		CITY:			SAN MARINO
		STATE:			CA
		ZIP:			91108

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LAZARUS INDUSTRIES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GASLIGHT INC
		DATE OF NAME CHANGE:	19880421
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-08-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000789868</issuerCik>
        <issuerName>AMERICAN DAIRY INC</issuerName>
        <issuerTradingSymbol>ADY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001324686</rptOwnerCik>
            <rptOwnerName>Downing Kirk</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN DAIRY, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>10 JIUXIANQIAO RD C-16TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BEIJING</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>100016</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-08-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.92</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Kirk G. Downing</signatureName>
        <signatureDate>2009-10-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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