<SUBMISSION>
<ACCESSION-NUMBER>0001127602-07-002912
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20070702
<FILING-DATE>20070705
<DATE-OF-FILING-DATE-CHANGE>20070705
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>DOLLAR TREE STORES INC
<CIK>0000935703
<ASSIGNED-SIC>5331
<IRS-NUMBER>541387365
<STATE-OF-INCORPORATION>VA
<FISCAL-YEAR-END>0202
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>500 VOLVO PARKWAY
<STREET2>N/A
<CITY>CHESAPEAKE
<STATE>VA
<ZIP>23320
<PHONE>(757) 321-5000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>500 VOLVO PARKWAY
<CITY>CHESAPEAKE
<STATE>VA
<ZIP>23320
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>PERRY J DOUGLAS
<CIK>0001009270
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-25464
<FILM-NUMBER>07965913
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>7573215000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>500 VOLVO PARKWAY
<CITY>CHESAPEAKE
<STATE>VA
<ZIP>23320
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-07-02</periodOfReport>

    <issuer>
        <issuerCik>0000935703</issuerCik>
        <issuerName>DOLLAR TREE STORES INC</issuerName>
        <issuerTradingSymbol>DLTR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001009270</rptOwnerCik>
            <rptOwnerName>PERRY J DOUGLAS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 VOLVO PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHESAPEAKE</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>23320</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-07-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>78118</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>43.973</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>338536</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Trusts (Descendants')</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-07-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>27290</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>43.5223</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>311246</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Trusts (Descendants')</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-07-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>50223</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>43.5223</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>191741</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock (deferred)</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>556.89</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Average price of multiple related transactions. Details are included in Exhibit 99 to this Form 4.</footnote>
    </footnotes>

    <remarks>Disclaimer: Reporting person disclaims beneficial ownership of all indirectly held securities and this report shall not be deemed an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.</remarks>

    <ownerSignature>
        <signatureName>/s/ Erica Robb, attorney-in-fact for Mr. Perry</signatureName>
        <signatureDate>2007-07-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>doc1029.txt
<DESCRIPTION>PERRY-DETAIL-20070705
<TEXT>
J. DOUGLAS PERRY				   	   FORM 4
TRANSACTION DETAIL			       		       ATTACHMENT

Common Stock	07/02/2007	S	12,341	D	 43.7000
Common Stock	07/02/2007	S	5,284	D	 43.7100
Common Stock	07/02/2007	S	100	D	 43.7150
Common Stock	07/02/2007	S	1,300	D	 43.7200
Common Stock	07/02/2007	S	100	D	 43.7250
Common Stock	07/02/2007	S	500	D	 43.7300
Common Stock	07/02/2007	S	400	D	 43.7400
Common Stock	07/02/2007	S	1,437	D	 43.7700
Common Stock	07/02/2007	S	780	D	 43.7800
Common Stock	07/02/2007	S	300	D	 43.7900
Common Stock	07/02/2007	S	1,200	D	 43.8100
Common Stock	07/02/2007	S	1,500	D	 44.0000
Common Stock	07/02/2007	S	1,800	D	 44.0100
Common Stock	07/02/2007	S	800	D	 44.0200
Common Stock	07/02/2007	S	1,900	D	 44.0300
Common Stock	07/02/2007	S	27,338	D	 44.0400
Common Stock	07/02/2007	S	1,400	D	 44.0500
Common Stock	07/02/2007	S	3,310	D	 44.0600
Common Stock	07/02/2007	S	1,500	D	 44.0700
Common Stock	07/02/2007	S	3,548	D	 44.0800
Common Stock	07/02/2007	S	1,204	D	 44.0900
Common Stock	07/02/2007	S	1,600	D	 44.1000
Common Stock	07/02/2007	S	500	D	 44.1100
Common Stock	07/02/2007	S	700	D	 44.1200
Common Stock	07/02/2007	S	700	D	 44.1300
Common Stock	07/02/2007	S	100	D	 44.1400
Common Stock	07/02/2007	S	100	D	 44.1600
Common Stock	07/02/2007	S	800	D	 44.1800
Common Stock	07/02/2007	S	200	D	 44.1900
Common Stock	07/02/2007	S	300	D	 44.2200
Common Stock	07/02/2007	S	400	D	 44.2300
Common Stock	07/02/2007	S	774	D	 44.2400
Common Stock	07/02/2007	S	200	D	 44.3200
Common Stock	07/02/2007	S	1,300	D	 44.3300
Common Stock	07/02/2007	S	100	D	 44.3400
Common Stock	07/02/2007	S	2,302	D	 44.5000
			78,118

Common Stock	07/03/2007	S	19,551	D	 43.5000
Common Stock	07/03/2007	S	1,050	D	 43.5100
Common Stock	07/03/2007	S	1,074	D	 43.5200
Common Stock	07/03/2007	S	830	D	 43.5300
Common Stock	07/03/2007	S	1,225	D	 43.5400
Common Stock	07/03/2007	S	875	D	 43.5500
Common Stock	07/03/2007	S	245	D	 43.5600
Common Stock	07/03/2007	S	105	D	 43.5700
Common Stock	07/03/2007	S	70	D	 43.5800
Common Stock	07/03/2007	S	280	D	 43.5900
Common Stock	07/03/2007	S	70	D	 43.6000
Common Stock	07/03/2007	S	70	D	 43.6100
Common Stock	07/03/2007	S	175	D	 43.6500
Common Stock	07/03/2007	S	105	D	 43.6600
Common Stock	07/03/2007	S	245	D	 43.6700
Common Stock	07/03/2007	S	210	D	 43.6800
Common Stock	07/03/2007	S	175	D	 43.7000
Common Stock	07/03/2007	S	140	D	 43.7100
Common Stock	07/03/2007	S	35	D	 43.7200
Common Stock	07/03/2007	S	70	D	 43.7300
Common Stock	07/03/2007	S	315	D	 43.7400
Common Stock	07/03/2007	S	140	D	 43.7500
Common Stock	07/03/2007	S	95	D	 43.7700
Common Stock	07/03/2007	S	140	D	 43.8000
			27,290

Common Stock	07/03/2007	S	35,849	D	 43.5000
Common Stock	07/03/2007	S	1,950	D	 43.5100
Common Stock	07/03/2007	S	1,996	D	 43.5200
Common Stock	07/03/2007	S	1,541	D	 43.5300
Common Stock	07/03/2007	S	2,275	D	 43.5400
Common Stock	07/03/2007	S	1,625	D	 43.5500
Common Stock	07/03/2007	S	455	D	 43.5600
Common Stock	07/03/2007	S	195	D	 43.5700
Common Stock	07/03/2007	S	130	D	 43.5800
Common Stock	07/03/2007	S	520	D	 43.5900
Common Stock	07/03/2007	S	130	D	 43.6000
Common Stock	07/03/2007	S	130	D	 43.6100
Common Stock	07/03/2007	S	325	D	 43.6500
Common Stock	07/03/2007	S	195	D	 43.6600
Common Stock	07/03/2007	S	455	D	 43.6700
Common Stock	07/03/2007	S	390	D	 43.6800
Common Stock	07/03/2007	S	325	D	 43.7000
Common Stock	07/03/2007	S	260	D	 43.7100
Common Stock	07/03/2007	S	65	D	 43.7200
Common Stock	07/03/2007	S	130	D	 43.7300
Common Stock	07/03/2007	S	585	D	 43.7400
Common Stock	07/03/2007	S	260	D	 43.7500
Common Stock	07/03/2007	S	177	D	 43.7700
Common Stock	07/03/2007	S	260	D	 43.8000
			50,223
</TEXT>
</DOCUMENT>
</SUBMISSION>
