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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001040470-06-000025.txt : 20060428
<SEC-HEADER>0001040470-06-000025.hdr.sgml : 20060428
<ACCEPTANCE-DATETIME>20060428170526
ACCESSION NUMBER:		0001040470-06-000025
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060427
FILED AS OF DATE:		20060428
DATE AS OF CHANGE:		20060428

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SANO KUNIO
		CENTRAL INDEX KEY:			0001254638

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22893
		FILM NUMBER:		06791056

	MAIL ADDRESS:	
		STREET 1:		400 KATO TERRACE
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEHR TEST SYSTEMS
		CENTRAL INDEX KEY:			0001040470
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		IRS NUMBER:				942424084
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		400 KATO TERRACE
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539
		BUSINESS PHONE:		5106239400

	MAIL ADDRESS:	
		STREET 1:		400 KATO TERRACE
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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    <periodOfReport>2006-04-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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        <issuerName>AEHR TEST SYSTEMS</issuerName>
        <issuerTradingSymbol>AEHR</issuerTradingSymbol>
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            <rptOwnerName>SANO KUNIO</rptOwnerName>
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        <reportingOwnerAddress>
            <rptOwnerStreet1>400 KATO TERRACE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FREMONT</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94539</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President of AEHR TEST - JAPAN</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value></value>
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                <transactionShares>
                    <value>1100</value>
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                    <value>D</value>
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        <derivativeTransaction>
            <securityTitle>
                <value>Incentive Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.25</value>
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            <transactionDate>
                <value>2006-04-27</value>
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                <value></value>
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                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.25</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
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                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
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            </expirationDate>
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                <underlyingSecurityTitle>
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    <footnotes>
        <footnote id="F1">One forty-eighth (1/48) of the total number of  shares became exercisable on this date and an additional one forty-eighth (1/48) of the total number of shares became exercisable each month thereafter.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Kunio Sano</signatureName>
        <signatureDate>2006-04-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----