<SEC-DOCUMENT>0001193125-19-069136-index.html : 20190528
<SEC-HEADER>0001193125-19-069136.hdr.sgml : 20190528

<ACCEPTANCE-DATETIME>20190308161607

<PRIVATE-TO-PUBLIC>

ACCESSION NUMBER:		0001193125-19-069136

CONFORMED SUBMISSION TYPE:	N-2

PUBLIC DOCUMENT COUNT:		20

FILED AS OF DATE:		20190308

DATE AS OF CHANGE:		20190426


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:		N-2

		SEC ACT:		1933 Act

		SEC FILE NUMBER:	333-230158

		FILM NUMBER:		19669274



	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:		N-2

		SEC ACT:		1940 Act

		SEC FILE NUMBER:	811-21702

		FILM NUMBER:		19669273



	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>N-2
<SEQUENCE>1
<FILENAME>d715940dn2.htm
<DESCRIPTION>BLACKROCK HEALTH SCIENCES TRUST
<TEXT>
Document 1 - file: d715940dn2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(J)
<SEQUENCE>2
<FILENAME>d715940dex99j.htm
<DESCRIPTION>MASTER CUSTODIAN AGREEMENT
<TEXT>
Document 2 - file: d715940dex99j.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(K)(2)
<SEQUENCE>3
<FILENAME>d715940dex99k2.htm
<DESCRIPTION>ADMINISTRATION AND FUND ACCOUNTING SERVICES AGREEMENT
<TEXT>
Document 3 - file: d715940dex99k2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(S)(1)
<SEQUENCE>4
<FILENAME>d715940dex99s1.htm
<DESCRIPTION>POWER OF ATTORNEY OF THE REGISTRANT'S TRUSTEES
<TEXT>
Document 4 - file: d715940dex99s1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g715940g14u52.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g715940g14u52.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g715940g20v90.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g715940g20v90.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g715940g25m93.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g715940g25m93.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g715940g56x89.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g715940g56x89.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g715940g62k66.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g715940g62k66.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g715940g62v13.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g715940g62v13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g715940g64j54.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g715940g64j54.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g715940g67l10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g715940g67l10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g715940g70c87.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g715940g70c87.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g715940g75j47.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g715940g75j47.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g715940g78g54.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g715940g78g54.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g715940g78t73.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g715940g78t73.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g715940g95d75.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g715940g95d75.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g715940snap2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g715940snap2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g715940snap3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g715940snap3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>COVER
<SEQUENCE>21
<FILENAME>filename21.htm
<TEXT>
Document 21 - file: filename21.htm

</DOCUMENT>
</SEC-DOCUMENT>