-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JVG4ZsP2vonIuAnKK0pBtE4BnlKV1/ie7riSrExs8t0q+LHbOeNZtuJdRH5Uoeik
 bIqt7rgAzNDWkmHTuiG77Q==

<SEC-DOCUMENT>0001127602-08-005398.txt : 20080804
<SEC-HEADER>0001127602-08-005398.hdr.sgml : 20080804
<ACCEPTANCE-DATETIME>20080804192652
ACCESSION NUMBER:		0001127602-08-005398
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080731
FILED AS OF DATE:		20080804
DATE AS OF CHANGE:		20080804

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			P F CHANGS CHINA BISTRO INC
		CENTRAL INDEX KEY:			0001039889
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				860815086
		FISCAL YEAR END:			0101

	BUSINESS ADDRESS:	
		STREET 1:		7676 E. PINNACLE PEAK RD.
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85255
		BUSINESS PHONE:		480-888-3000

	MAIL ADDRESS:	
		STREET 1:		7676 E. PINNACLE PEAK RD.
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85255

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FEDERICO RICHARD L
		CENTRAL INDEX KEY:			0001217195

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25123
		FILM NUMBER:		08989411

	BUSINESS ADDRESS:	
		STREET 1:		P.F. CHANG'S CHINA BISTRO INC
		STREET 2:		15210 N. SCOTTSDALE ROAD
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85254
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-07-31</periodOfReport>

    <issuer>
        <issuerCik>0001039889</issuerCik>
        <issuerName>P F CHANGS CHINA BISTRO INC</issuerName>
        <issuerTradingSymbol>PFCB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001217195</rptOwnerCik>
            <rptOwnerName>FEDERICO RICHARD L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2>7676 E. PINNACLE PEAK ROAD</rptOwnerStreet2>
            <rptOwnerCity>SCOTTSDALE</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85255</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-07-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>272</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.70</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50269</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>465</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Son, William Federico</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>465</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Son, Matthew Federico</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares acquired through the P.F. Chang's China Bistro Employee Stock Purchase Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Robert T. Vivian, by power of attorney for Richard L. Federico</signatureName>
        <signatureDate>2008-08-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----