<SEC-DOCUMENT>0000844779-18-000183-index.html : 20180627
<SEC-HEADER>0000844779-18-000183.hdr.sgml : 20180627
<ACCEPTANCE-DATETIME>20180627112344
ACCESSION NUMBER:		0000844779-18-000183
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20180430
FILED AS OF DATE:		20180627
DATE AS OF CHANGE:		20180627
EFFECTIVENESS DATE:		20180627

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK MUNIYIELD QUALITY FUND, INC.
		CENTRAL INDEX KEY:			0000890196
		IRS NUMBER:				223170744
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06660
		FILM NUMBER:		18920864

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-441-7762

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK MUNIYIELD QUALITY FUND INC
		DATE OF NAME CHANGE:	20061026

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNIYIELD QUALITY FUND INC
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
<DOCUMENT>
<TYPE>NSAR-B
<SEQUENCE>1
<FILENAME>8952answer.fil
<TEXT>
Document 1 - file: 8952answer.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>77B_Muni3.txt
<TEXT>
Document 2 - file: 77B_Muni3.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77I NEW SECUR
<SEQUENCE>3
<FILENAME>MQY_77I.txt
<TEXT>
Document 3 - file: MQY_77I.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77Q1 OTHR EXHB
<SEQUENCE>4
<FILENAME>MQY_77Q1a.txt
<TEXT>
Document 4 - file: MQY_77Q1a.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77Q1 OTHR EXHB
<SEQUENCE>5
<FILENAME>MQY_77Q1d.txt
<TEXT>
Document 5 - file: MQY_77Q1d.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77Q1 OTHR EXHB
<SEQUENCE>6
<FILENAME>MQY_77Q1e.txt
<TEXT>
Document 6 - file: MQY_77Q1e.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>7
<FILENAME>77o32.txt
<TEXT>
Document 7 - file: 77o32.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>8
<FILENAME>77o35.txt
<TEXT>
Document 8 - file: 77o35.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>9
<FILENAME>77o39.txt
<TEXT>
Document 9 - file: 77o39.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>10
<FILENAME>77o41.txt
<TEXT>
Document 10 - file: 77o41.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>11
<FILENAME>77o44.txt
<TEXT>
Document 11 - file: 77o44.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>12
<FILENAME>77o45.txt
<TEXT>
Document 12 - file: 77o45.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>13
<FILENAME>77o46.txt
<TEXT>
Document 13 - file: 77o46.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>14
<FILENAME>77o50.txt
<TEXT>
Document 14 - file: 77o50.txt

</DOCUMENT>
</SEC-DOCUMENT>