<SEC-DOCUMENT>0001193125-19-124829-index.html : 20190429
<SEC-HEADER>0001193125-19-124829.hdr.sgml : 20190429
<ACCEPTANCE-DATETIME>20190429143536
ACCESSION NUMBER:		0001193125-19-124829
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20190429
DATE AS OF CHANGE:		20190429
EFFECTIVENESS DATE:		20190429

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Health Sciences Trust
		CENTRAL INDEX KEY:			0001314966
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-230158
		FILM NUMBER:		19775295

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		(888) 825-2257

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d715940d497.htm
<DESCRIPTION>BLACKROCK HEALTH SCIENCES TRUST
<TEXT>
Document 1 - file: d715940d497.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g715940g64j54.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g715940g64j54.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g715940g67l10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g715940g67l10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g715940g70c87.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g715940g70c87.jpg

</DOCUMENT>
</SEC-DOCUMENT>