<SEC-DOCUMENT>0001193125-22-197748-index.html : 20220720
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<ACCEPTANCE-DATETIME>20220720104206
ACCESSION NUMBER:		0001193125-22-197748
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		15
CONFORMED PERIOD OF REPORT:	20220531
FILED AS OF DATE:		20220720
DATE AS OF CHANGE:		20220720
EFFECTIVENESS DATE:		20220720

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:		221093123

	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>
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<TYPE>N-CSRS
<SEQUENCE>1
<FILENAME>d284818dncsrs.htm
<DESCRIPTION>MFS HIGH INCOME MUNICIPAL TRUST N-CSRS
<TEXT>
Document 1 - file: d284818dncsrs.htm

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<TYPE>EX-99.CERT
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<DESCRIPTION>SECTION 302 CERTIFICATIONS
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Document 2 - file: d284818dex99cert.htm

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<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>d284818dex99906cert.htm
<DESCRIPTION>SECTION 906 CERTIFICATIONS
<TEXT>
Document 3 - file: d284818dex99906cert.htm

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<DOCUMENT>
<TYPE>EX-99.30E3 NOTICE
<SEQUENCE>4
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<DESCRIPTION>30E3 NOTICE
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Document 4 - file: d284818dex9930e3notice.htm

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Document 5 - file: g284818dsp018.jpg

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Document 6 - file: g284818dsp019a.jpg

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Document 7 - file: g284818dsp019b.jpg

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Document 8 - file: g284818dsp019c.jpg

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Document 9 - file: g284818g23u16.jpg

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Document 10 - file: g284818img13ee9e435.jpg

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Document 11 - file: g284818img17be0aee4.gif

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Document 12 - file: g284818img2ce86af91.gif

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Document 13 - file: g284818img445c3d1f3.jpg

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Document 14 - file: g284818imgada0fcfe2.gif

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Document 15 - file: g284818imgc067af8a6.jpg

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