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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FECwbdLApoHUfmCs25a8kpfHVWfYuWQECHRh+Rw/YA+tYk+xkl4Vxu8Tj84sSAhv
 qABDVwkAlydGhOBWwpDOEQ==

<SEC-DOCUMENT>0001192482-04-000316.txt : 20040727
<SEC-HEADER>0001192482-04-000316.hdr.sgml : 20040727
<ACCEPTANCE-DATETIME>20040723111824
ACCESSION NUMBER:		0001192482-04-000316
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040722
FILED AS OF DATE:		20040723

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Radin Robert F
		CENTRAL INDEX KEY:			0001298153

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22073
		FILM NUMBER:		04928125

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(610)594-2700

	MAIL ADDRESS:	
		STREET 1:		C/O DAOU SYSTEMS, INC.
		STREET 2:		412 CREAMERY WAY, SUITE 300
		CITY:			EXTON
		STATE:			PA
		ZIP:			19341

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DAOU SYSTEMS INC
		CENTRAL INDEX KEY:			0001003989
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-RETAIL STORES, NEC [5990]
		IRS NUMBER:				330284454
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		412 CREAMERY WAY
		STREET 2:		STE 300
		CITY:			EXTON
		STATE:			PA
		ZIP:			19341
		BUSINESS PHONE:		8005783268

	MAIL ADDRESS:	
		STREET 1:		412 CREAMERY WAY
		STREET 2:		STE 300
		CITY:			EXTON
		STATE:			PA
		ZIP:			19341
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-07-22</periodOfReport>

    <issuer>
        <issuerCik>0001003989</issuerCik>
        <issuerName>DAOU SYSTEMS INC</issuerName>
        <issuerTradingSymbol>DAOU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001298153</rptOwnerCik>
            <rptOwnerName>Radin Robert F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DAOU SYSTEMS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>412 CREAMERY WAY, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>EXTON</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19341</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.375</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-07-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-07-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The options will vest on a 36 month schedule, with 2,777 shares vesting on the 22nd day of each month for 35 successive months beginning August 22, 2004 and 2,805 shares vesting on the final vesting date (July 22, 2007).</footnote>
        <footnote id="F2">This is an option grant for which there is no purchase price</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>John A. Roberts, Attorney-in-Fact for Robert F. Radin</signatureName>
        <signatureDate>2004-07-23</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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