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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,
 S/ajgN4Alug5xHv+mJ+cU0PhWTL024L41RD/LUUAyQAYgvfB3xGWS4oqGFVxvOVn
 I8fsLpzBW15VknXnmjYsng==

<SEC-DOCUMENT>0000950103-09-000063.txt : 20090112
<SEC-HEADER>0000950103-09-000063.hdr.sgml : 20090112
<ACCEPTANCE-DATETIME>20090112164807
ACCESSION NUMBER:		0000950103-09-000063
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081231
FILED AS OF DATE:		20090112
DATE AS OF CHANGE:		20090112

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS HIGH INCOME MUNICIPAL TRUST
		CENTRAL INDEX KEY:			0000845606
		IRS NUMBER:				043039022
		FISCAL YEAR END:			1130

	BUSINESS ADDRESS:	
		STREET 1:		500 BOYLSTON ST
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		6179545000

	MAIL ADDRESS:	
		STREET 1:		500 BOYLSTON STREET
		STREET 2:		20TH FL LEGAL DEPT
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL HIGH INCOME MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MORGAN STANLEY
		CENTRAL INDEX KEY:			0000895421
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05754
		FILM NUMBER:		09522106

	BUSINESS ADDRESS:	
		STREET 1:		1585 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		212-761-4000

	MAIL ADDRESS:	
		STREET 1:		1585 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER NAME:	
		FORMER CONFORMED NAME:	MORGAN STANLEY DEAN WITTER & CO
		DATE OF NAME CHANGE:	19980326

	FORMER NAME:	
		FORMER CONFORMED NAME:	DEAN WITTER DISCOVER & CO
		DATE OF NAME CHANGE:	19960315
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>dp12242_3-mfshighex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2008-12-31</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000845606</issuerCik>
        <issuerName>MFS HIGH INCOME MUNICIPAL TRUST</issuerName>
        <issuerTradingSymbol>CXE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000895421</rptOwnerCik>
            <rptOwnerName>MORGAN STANLEY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1585 BROADWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10036</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Municipal Auction Rate Cumulative Preferred</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>428</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Subsidiary</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <remarks>The preferred shares reported herein represent the Reporting Person's combined holdings in multiple series of auction
 preferred securities of the Issuer, which are treated herein as one class of securities in accordance with the Auction Rate
 Securities - Global Exemptive Relief no-action letter issued by the Securities and Exchange Commission (the &quot;SEC&quot;) on
 September 22, 2008.  The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security
 holder of the Issuer, complete information regarding the number of the Issuer's equity securities purchased or sold at each
 different price and date of all transactions in such securities that occurred after the Reporting Person became a 10% owner
 but prior to the date of this filing.</remarks>

    <ownerSignature>
        <signatureName>/s/ Dennine Bullard, By: Morgan Stanley, By: Dennine Bullard, Authorized Signatory</signatureName>
        <signatureDate>2009-01-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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