<SUBMISSION>
<ACCESSION-NUMBER>0001127602-07-002692
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20070627
<FILING-DATE>20070628
<DATE-OF-FILING-DATE-CHANGE>20070628
<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>BROCK MACON F JR
<CIK>0001008146
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-25464
<FILM-NUMBER>07948138
</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>2007-06-27</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001008146</rptOwnerCik>
            <rptOwnerName>BROCK MACON F JR</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>
            <isOfficer>1</isOfficer>
            <officerTitle>Chairman of the Board</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-06-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.2083</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>809958</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-06-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>869958</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-06-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>120000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>43.1965</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>749958</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>222930</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Trusts (Descendants')</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>581766</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Spouse</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>409387</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>2002 GRAT</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>23.2083</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-06-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2001-03-07</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2010-03-07</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>60000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>17</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-06-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2002-03-20</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2011-03-20</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>60000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Average price of multiple related transactions. Details are included in Exhibit 99 to this Form 4.</footnote>
        <footnote id="F2">Vests in 5 approximately equal annual installments beginning on the first anniversary of the award date, subject to continued employment. Vested in full December 15, 2005.</footnote>
        <footnote id="F3">Expires upon termination, with certain grace periods, or ten years after award, whichever is less.</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. Brock</signatureName>
        <signatureDate>2007-06-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>doc1273.txt
<DESCRIPTION>BROCK-DETAIL-20070627
<TEXT>
MACON BROCK					 FORM 4
TRANSACTION DETAIL				 ATTACHMENT


Common Stock	06/27/2007	S	 3,911 	D	 43.0000
Common Stock	06/27/2007	S	 3,134 	D	 43.0100
Common Stock	06/27/2007	S	 2,600 	D	 43.0200
Common Stock	06/27/2007	S	 3,700 	D	 43.0300
Common Stock	06/27/2007	S	 6,700 	D	 43.0400
Common Stock	06/27/2007	S	 3,997 	D	 43.0500
Common Stock	06/27/2007	S	 3,324 	D	 43.0600
Common Stock	06/27/2007	S	 1,700 	D	 43.0700
Common Stock	06/27/2007	S	 4,062 	D	 43.0800
Common Stock	06/27/2007	S	 1,738 	D	 43.0900
Common Stock	06/27/2007	S	23,500 	D	 43.1000
Common Stock	06/27/2007	S	 100 	D	 43.1100
Common Stock	06/27/2007	S	 600 	D	 43.1200
Common Stock	06/27/2007	S	 200 	D	 43.1300
Common Stock	06/27/2007	S	 600 	D	 43.1400
Common Stock	06/27/2007	S	 134 	D	 43.1500
Common Stock	06/27/2007	S	 700 	D	 43.2900
Common Stock	06/27/2007	S	 800 	D	 43.2950
Common Stock	06/27/2007	S	 4,400 	D	 43.2975
Common Stock	06/27/2007	S	31,200 	D	 43.3000
Common Stock	06/27/2007	S	 3,000 	D	 43.3100
Common Stock	06/27/2007	S	 300 	D	 43.3200
Common Stock	06/27/2007	S	 1,700 	D	 43.3300
Common Stock	06/27/2007	S	 1,500 	D	 43.3400
Common Stock	06/27/2007	S	 2,300 	D	 43.3500
Common Stock	06/27/2007	S	 500 	D	 43.3600
Common Stock	06/27/2007	S	 600 	D	 43.3625
Common Stock	06/27/2007	S	 1,472 	D	 43.3700
Common Stock	06/27/2007	S	 804 	D	 43.3800
Common Stock	06/27/2007	S	 300 	D	 43.3850
Common Stock	06/27/2007	S	 2,553 	D	 43.3900
Common Stock	06/27/2007	S	 5,400 	D	 43.4000
Common Stock	06/27/2007	S	 1,047 	D	 43.4100
Common Stock	06/27/2007	S	 700 	D	 43.4125
Common Stock	06/27/2007	S	 624 	D	 43.4200
Common Stock	06/27/2007	S	 100 	D	 43.4300
</TEXT>
</DOCUMENT>
</SUBMISSION>
