<SEC-DOCUMENT>0001193125-19-199771-index.html : 20190723
<SEC-HEADER>0001193125-19-199771.hdr.sgml : 20190723
<ACCEPTANCE-DATETIME>20190723131905
ACCESSION NUMBER:		0001193125-19-199771
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		10
CONFORMED PERIOD OF REPORT:	20190531
FILED AS OF DATE:		20190723
DATE AS OF CHANGE:		20190723
EFFECTIVENESS DATE:		20190723

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-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05754
		FILM NUMBER:		19967474

	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-CSRS
<SEQUENCE>1
<FILENAME>d689432dncsrs.htm
<DESCRIPTION>MFS HIGH INCOME MUNICIPAL TRUST N-CSRS
<TEXT>
Document 1 - file: d689432dncsrs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d689432dex99cert.htm
<DESCRIPTION>SECTION 302 CERTIFICATIONS
<TEXT>
Document 2 - file: d689432dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>d689432dex99906cert.htm
<DESCRIPTION>SECTION 906 CERTIFICATIONS
<TEXT>
Document 3 - file: d689432dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g689432ernst_youngllp.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g689432ernst_youngllp.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g689432g17m13.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g689432g17m13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g689432g64h50.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g689432g64h50.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g689432g64o09.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g689432g64o09.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g689432g72s28.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g689432g72s28.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g689432manning_photo.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g689432manning_photo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g689432manning_sig.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g689432manning_sig.jpg

</DOCUMENT>
</SEC-DOCUMENT>