<SEC-DOCUMENT>0001209191-20-033153.txt : 20200601
<SEC-HEADER>0001209191-20-033153.hdr.sgml : 20200601
<ACCEPTANCE-DATETIME>20200601132258
ACCESSION NUMBER:		0001209191-20-033153
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200529
FILED AS OF DATE:		20200601
DATE AS OF CHANGE:		20200601

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LaViscount Joyce N
		CENTRAL INDEX KEY:			0001372528

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38445
		FILM NUMBER:		20932480

	MAIL ADDRESS:	
		STREET 1:		100 ENDO BOULEVARD
		CITY:			CHADDS FORD
		STATE:			PA
		ZIP:			19317

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HELIUS MEDICAL TECHNOLOGIES, INC.
		CENTRAL INDEX KEY:			0001610853
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				364787690
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		642 NEWTOWN YARDLEY ROAD
		CITY:			NEWTOWN
		STATE:			PA
		ZIP:			18940
		BUSINESS PHONE:		215-944-6104

	MAIL ADDRESS:	
		STREET 1:		642 NEWTOWN YARDLEY ROAD
		CITY:			NEWTOWN
		STATE:			PA
		ZIP:			18940

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HELIUS MEDICAL TECHNOLOGIES, INC
		DATE OF NAME CHANGE:	20180517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HELIUS MEDICAL TECHNOLOGIES, INC.
		DATE OF NAME CHANGE:	20140613
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-05-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001610853</issuerCik>
        <issuerName>HELIUS MEDICAL TECHNOLOGIES, INC.</issuerName>
        <issuerTradingSymbol>HSDT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001372528</rptOwnerCik>
            <rptOwnerName>LaViscount Joyce N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>642 NEWTOWN-YARDLEY ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>NEWTOWN</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18940</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO and COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-05-29</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5557</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.49</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>88316</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares are represented by fully vested restricted stock awards (the &quot;RSAs&quot;).</footnote>
        <footnote id="F2">The RSAs were issued to the Reporting Person in connection with the Reporting Person's election to participate in the Company's salary reduction program, pursuant to which the Reporting Person will receive RSAs in lieu of a percentage of the Reporting Person's cash compensation.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Joyce LaViscount</signatureName>
        <signatureDate>2020-06-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
