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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MeoiBQC/zJGYkZTHoaq+e3WubmCrnVMU8HevsUYAyhMwFGkOBz6eRBjNsdnq04qg
 kKLqAEfDcgZ5VY4aZQn9Kw==

<SEC-DOCUMENT>0001181431-04-011386.txt : 20040223
<SEC-HEADER>0001181431-04-011386.hdr.sgml : 20040223
<ACCEPTANCE-DATETIME>20040223134809
ACCESSION NUMBER:		0001181431-04-011386
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040220
FILED AS OF DATE:		20040223

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIFELINE SYSTEMS INC
		CENTRAL INDEX KEY:			0000720195
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				042537528
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		111 LAWRENCE ST
		CITY:			FRAMINGHAM
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		6176791000

	MAIL ADDRESS:	
		STREET 1:		111 LAWRENCE ST
		CITY:			FRAMINGHAM
		STATE:			MA
		ZIP:			02139

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FEINSTEIN RONALD
		CENTRAL INDEX KEY:			0000933194

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-13617
		FILM NUMBER:		04621519

	BUSINESS ADDRESS:	
		STREET 1:		LIFELINE SYSTEMS INC
		STREET 2:		111 LAWRENCE STREET
		CITY:			FRAMINGHAM
		STATE:			MA
		ZIP:			01702
		BUSINESS PHONE:		508-988-1000

	MAIL ADDRESS:	
		STREET 1:		LIFELINE SYSTEMS INC
		STREET 2:		111 LAWRENCE STREET
		CITY:			FRAMINGHAM
		STATE:			MA
		ZIP:			01702
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd34309.xml
<DESCRIPTION>FORM 4 DATED FEBRUARY 20, 2004
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-02-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000720195</issuerCik>
        <issuerName>LIFELINE SYSTEMS INC</issuerName>
        <issuerTradingSymbol>LIFE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000933194</rptOwnerCik>
            <rptOwnerName>FEINSTEIN RONALD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LIFELINE SYSTEMS</rptOwnerStreet1>
            <rptOwnerStreet2>111 LAWRENCE STREET</rptOwnerStreet2>
            <rptOwnerCity>FRAMINGHAM</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01702</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President/CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>196666</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-02-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5989</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.51</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17967</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>401(k) Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On February 20, 2004, Mr. Feinstein disposed of 6,599 units under the Company's 401(k) plan which corresponds to 5,989 shares of the Company's common stock on that date.</footnote>
        <footnote id="F2">Between 10/1/03 and 2/20/04, the reporting person acquired addtional units under the Company's 401(k) plan which corresponds to 255 shares of the Company's common stock during that period of time.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Ronald Feinstein</signatureName>
        <signatureDate>2004-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>

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