<SEC-DOCUMENT>0001341004-18-000258-index.html : 20180430
<SEC-HEADER>0001341004-18-000258.hdr.sgml : 20180430
<ACCEPTANCE-DATETIME>20180430163237
ACCESSION NUMBER:		0001341004-18-000258
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20180430
DATE AS OF CHANGE:		20180430
EFFECTIVENESS DATE:		20180430

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:	333-210770
		FILM NUMBER:		18790324

	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>form497.htm
<DESCRIPTION>FORM 497
<TEXT>
Document 1 - file: form497.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>image00001.jpg
<TEXT>
Document 2 - file: image00001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image1.jpg
<TEXT>
Document 3 - file: image1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image2.jpg
<TEXT>
Document 4 - file: image2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image3.jpg
<TEXT>
Document 5 - file: image3.jpg

</DOCUMENT>
</SEC-DOCUMENT>