    <SEC-DOCUMENT>0001193125-24-231906-index.html : 20241003
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    <ACCEPTANCE-DATETIME>20241003121932
    ACCESSION NUMBER:		0001193125-24-231906
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		20
    CONFORMED PERIOD OF REPORT:	20240731
    FILED AS OF DATE:		20241003
    DATE AS OF CHANGE:		20241003
    EFFECTIVENESS DATE:		20241003

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK MUNIYIELD FUND, INC.
    		CENTRAL INDEX KEY:			0000879361
    		ORGANIZATION NAME:
    		IRS NUMBER:				223136942
    		STATE OF INCORPORATION:			NJ
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		N-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-06414
    		FILM NUMBER:		241350531

    	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 FUND INC
    		DATE OF NAME CHANGE:	20061026

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNIYIELD FUND INC
    		DATE OF NAME CHANGE:	19920717
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSR
    <SEQUENCE>1
    <FILENAME>d881770dncsr.htm
    <DESCRIPTION>BLACKROCK MUNIYIELD FUND, INC.
    <TEXT>
    Document 1 - file: d881770dncsr.htm

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    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d881770dex99cert.htm
    <DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d881770dex99cert.htm

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    <DOCUMENT>
    <TYPE>EX-99.906 CERT
    <SEQUENCE>3
    <FILENAME>d881770dex99906cert.htm
    <DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d881770dex99906cert.htm

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    <TYPE>EX-99.PROXYPOL
    <SEQUENCE>4
    <FILENAME>d881770dex99proxypol.htm
    <DESCRIPTION>PROXY VOTING POLICY AND PROCEDURES
    <TEXT>
    Document 4 - file: d881770dex99proxypol.htm

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    <TYPE>EX-99.GLOBALCORPGOV
    <SEQUENCE>5
    <FILENAME>d881770dex99globalcorpgov.htm
    <DESCRIPTION>GLOBAL CORPORATE GOVERNANCE & ENGAGEMENT PRINCIPLES
    <TEXT>
    Document 5 - file: d881770dex99globalcorpgov.htm

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    <TYPE>EX-99.USCORPGOV
    <SEQUENCE>6
    <FILENAME>d881770dex99uscorpgov.htm
    <DESCRIPTION>CORPORATE GOVERNANCE AND PROXY VOTING GUIDELINES FOR U.S. SECURITIES
    <TEXT>
    Document 6 - file: d881770dex99uscorpgov.htm

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    <DESCRIPTION>GRAPHIC
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    Document 7 - file: g879721sp16a.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 8 - file: g879721sp16b.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 9 - file: g879721sp17a.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 10 - file: g879721sp38.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 11 - file: g879721sp39.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 12 - file: g881770img0863c3f52.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 14 - file: g881770img7fa44d481.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 17 - file: g881770imga747d0cf3.gif

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    <DESCRIPTION>GRAPHIC
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    Document 18 - file: g881770imgaabc4df55.gif

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    <DESCRIPTION>GRAPHIC
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    Document 19 - file: g881770imgce6995076.gif

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    <DESCRIPTION>GRAPHIC
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    Document 20 - file: g881770imgd9e832b99.jpg

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