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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,
 Vbu9U3lyYnIZJDB3+WhvUbegiIWWp3hi2kL84R6jcXtfP9Q2aXyK9oZX8n3zXpCK
 DA0XvKffpyqzZwXmFT3wHA==

<SEC-DOCUMENT>0001209191-03-024836.txt : 20031006
<SEC-HEADER>0001209191-03-024836.hdr.sgml : 20031006
<ACCEPTANCE-DATETIME>20031006162140
ACCESSION NUMBER:		0001209191-03-024836
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031006
FILED AS OF DATE:		20031006

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TUREK WALTER
		CENTRAL INDEX KEY:			0001227215

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11330
		FILM NUMBER:		03929883

	MAIL ADDRESS:	
		STREET 1:		911 PANORAMA TRAIL S
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14625

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PAYCHEX INC
		CENTRAL INDEX KEY:			0000723531
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING, ACCOUNTING, RESEARCH, MANAGEMENT [8700]
		IRS NUMBER:				161124166
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		911 PANORAMA TRAIL S
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14625-0397
		BUSINESS PHONE:		7163856666

	MAIL ADDRESS:	
		STREET 1:		911 PANORAMA TRAIL SOUTH
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14625-0397
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-10-06</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000723531</issuerCik><issuerName>PAYCHEX INC</issuerName>        <issuerTradingSymbol>PAYX</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001227215</rptOwnerCik><rptOwnerName>TUREK WALTER</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>911 PANORAMA TRAIL S.</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>ROCHESTER</rptOwnerCity><rptOwnerState>NY</rptOwnerState><rptOwnerZipCode>14625</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Sr. Vice President</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTab
le><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-10-06</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>68345</value></transactionShares><transactionPricePerShare><value>2.9191</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>499158</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeTransaction>
<securityTitle><value>Stock Option</value></securityTitle><conversionOrExercisePrice><value>2.9191</value></conversionOrExercisePrice><transactionDate><value>2003-10-06</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>68345</value></transactionShares><transactionPricePerShare><value>35.66</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1995-10-07</value></exerciseDate><expirationDate><value>2003-10-07</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>68345</value></underlyingSecurityShares></underlyingSecurity><po
stTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">This total does not include indirect ownership of 128,311 - 401(k)and indirect ownership of 1,670 - CAJ Fund,LLC.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>Jan Shuler, Attorney-in-fact</signatureName><signatureDate>2003-10-06</signatureDate></ownerSignature></ownershipDocument>

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