<SEC-DOCUMENT>0001193125-18-021338-index.html : 20180126
<SEC-HEADER>0001193125-18-021338.hdr.sgml : 20180126
<ACCEPTANCE-DATETIME>20180126142932
ACCESSION NUMBER:		0001193125-18-021338
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20171130
FILED AS OF DATE:		20180126
DATE AS OF CHANGE:		20180126
EFFECTIVENESS DATE:		20180126

FILER:

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

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05754
		FILM NUMBER:		18551270

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-954-5000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL HIGH INCOME MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>d457934dncsr.htm
<DESCRIPTION>MFS HIGH INCOME MUNICIPAL TRUST N-CSR
<TEXT>
Document 1 - file: d457934dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(12)(A)(1)
<SEQUENCE>2
<FILENAME>d457934dex9912a1.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: d457934dex9912a1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>d457934dex99cert.htm
<DESCRIPTION>SECTION 302 CERTIFICATIONS
<TEXT>
Document 3 - file: d457934dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>4
<FILENAME>d457934dex99906cert.htm
<DESCRIPTION>SECTION 906 CERTIFICATIONS
<TEXT>
Document 4 - file: d457934dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g457934001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g457934001.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g457934art_03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g457934art_03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g457934ernst_youngllp.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g457934ernst_youngllp.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g457934g64h50.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g457934g64h50.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g457934g64o09.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g457934g64o09.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g457934logo_05.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g457934logo_05.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g457934logo_07.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g457934logo_07.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g457934manning_photo.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g457934manning_photo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g457934manning_sig.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g457934manning_sig.jpg

</DOCUMENT>
</SEC-DOCUMENT>