<SEC-DOCUMENT>0001179110-19-004821.txt : 20190408
<SEC-HEADER>0001179110-19-004821.hdr.sgml : 20190408
<ACCEPTANCE-DATETIME>20190408163759
ACCESSION NUMBER:		0001179110-19-004821
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190404
FILED AS OF DATE:		20190408
DATE AS OF CHANGE:		20190408

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vardzel Gerald J Jr
		CENTRAL INDEX KEY:			0001751315

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36790
		FILM NUMBER:		19737757

	MAIL ADDRESS:	
		STREET 1:		91 43RD STREET
		STREET 2:		SUITE 110
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Precision Therapeutics Inc.
		CENTRAL INDEX KEY:			0001446159
		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
		IRS NUMBER:				331007393
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2915 COMMERS DRIVE,
		STREET 2:		SUITE 900
		CITY:			EAGAN
		STATE:			MN
		ZIP:			55121
		BUSINESS PHONE:		651-389-4800

	MAIL ADDRESS:	
		STREET 1:		2915 COMMERS DRIVE,
		STREET 2:		SUITE 900
		CITY:			EAGAN
		STATE:			MN
		ZIP:			55121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Precision Therapeutic Inc.
		DATE OF NAME CHANGE:	20180208

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Skyline Medical Inc.
		DATE OF NAME CHANGE:	20130807

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BioDrain Medical, Inc.
		DATE OF NAME CHANGE:	20080925
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 3 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2019-04-04</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001446159</issuerCik>
        <issuerName>Precision Therapeutics Inc.</issuerName>
        <issuerTradingSymbol>AIPT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001751315</rptOwnerCik>
            <rptOwnerName>Vardzel Gerald J Jr</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>91 43RD ST</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 110</rptOwnerStreet2>
            <rptOwnerCity>PITTSBURGH</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Gerald J. Vardzel Jr.</signatureName>
        <signatureDate>2019-04-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
