<SEC-DOCUMENT>0001193125-20-121006-index.html : 20200427
<SEC-HEADER>0001193125-20-121006.hdr.sgml : 20200427
<ACCEPTANCE-DATETIME>20200427162911
ACCESSION NUMBER:		0001193125-20-121006
CONFORMED SUBMISSION TYPE:	486BPOS
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20200427
DATE AS OF CHANGE:		20200427
EFFECTIVENESS DATE:		20200429

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:		486BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-230158
		FILM NUMBER:		20820438

	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

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:		486BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21702
		FILM NUMBER:		20820437

	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>486BPOS
<SEQUENCE>1
<FILENAME>d907942d486bpos.htm
<DESCRIPTION>BLACKROCK HEALTH SCIENCES TRUST
<TEXT>
Document 1 - file: d907942d486bpos.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(G)(2)
<SEQUENCE>2
<FILENAME>d907942dex99g2.htm
<DESCRIPTION>AMENDED AND RESTATED MASTER ADVISORY FEE AGREEMENT
<TEXT>
Document 2 - file: d907942dex99g2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(G)(3)
<SEQUENCE>3
<FILENAME>d907942dex99g3.htm
<DESCRIPTION>AMENDMENT NO. 1 TO AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT
<TEXT>
Document 3 - file: d907942dex99g3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(K)(3)
<SEQUENCE>4
<FILENAME>d907942dex99k3.htm
<DESCRIPTION>FORM OF SIXTH AMENDED AND RESTATED SECURITIES LENDING AGREEMENT
<TEXT>
Document 4 - file: d907942dex99k3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(N)
<SEQUENCE>5
<FILENAME>d907942dex99n.htm
<DESCRIPTION>INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM CONSENT
<TEXT>
Document 5 - file: d907942dex99n.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(R)
<SEQUENCE>6
<FILENAME>d907942dex99r.htm
<DESCRIPTION>CODE OF ETHICS OF THE REGISTRANT AND THE ADVISOR
<TEXT>
Document 6 - file: d907942dex99r.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g907942g35v87.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g907942g35v87.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g907942g67l10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g907942g67l10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g907942sp0226.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g907942sp0226.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g907942sp0233.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g907942sp0233.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g907942sp0234.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g907942sp0234.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g907942sp232.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g907942sp232.jpg

</DOCUMENT>
</SEC-DOCUMENT>