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| | <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srtSegmentGeographicalDomain" xlink:to="loc_HFRNShanghaiMember" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis" xlink:label="loc_deiLegalEntityAxis"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyTable" xlink:to="loc_deiLegalEntityAxis" order="40"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="loc_deiEntityDomain"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_deiLegalEntityAxis" xlink:to="loc_deiEntityDomain" order="0"/> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_ShanghaiQiaoHongRealEstateLtdMember" xlink:label="loc_HFRNShanghaiQiaoHongRealEstateLtdMember"/> |
| | <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_deiEntityDomain" xlink:to="loc_HFRNShanghaiQiaoHongRealEstateLtdMember" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_ShanghaiQiaohongMember" xlink:label="loc_HFRNShanghaiQiaohongMember"/> |
| | <link:presentationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_deiEntityDomain" xlink:to="loc_HFRNShanghaiQiaohongMember" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_srtScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyTable" xlink:to="loc_srtScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" order="50"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srtEquityMethodInvesteeNameDomain"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srtScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="loc_srtEquityMethodInvesteeNameDomain" order="0"/> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_SHQYITMember" xlink:label="loc_HFRNSHQYITMember"/> |
| | <link:presentationArc order="70" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srtEquityMethodInvesteeNameDomain" xlink:to="loc_HFRNSHQYITMember" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationStatusAxis" xlink:label="loc_us-gaapLitigationStatusAxis"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyTable" xlink:to="loc_us-gaapLitigationStatusAxis" order="60"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationStatusDomain" xlink:label="loc_us-gaapLitigationStatusDomain"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLitigationStatusAxis" xlink:to="loc_us-gaapLitigationStatusDomain" order="0"/> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_JudicialAuctionMember" xlink:label="loc_HFRNJudicialAuctionMember"/> |
| | <link:presentationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapLitigationStatusDomain" xlink:to="loc_HFRNJudicialAuctionMember" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaapBusinessAcquisitionAxis"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyTable" xlink:to="loc_us-gaapBusinessAcquisitionAxis" order="70"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaapBusinessAcquisitionAcquireeDomain"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapBusinessAcquisitionAxis" xlink:to="loc_us-gaapBusinessAcquisitionAcquireeDomain" order="0"/> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_LianyungangYiheyuanElderlyServicesCoLtdMember" xlink:label="loc_HFRNLianyungangYiheyuanElderlyServicesCoLtdMember"/> |
| | <link:presentationArc order="110" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapBusinessAcquisitionAcquireeDomain" xlink:to="loc_HFRNLianyungangYiheyuanElderlyServicesCoLtdMember" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaapSubsequentEventTypeAxis"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyTable" xlink:to="loc_us-gaapSubsequentEventTypeAxis" order="80"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaapSubsequentEventTypeDomain"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapSubsequentEventTypeAxis" xlink:to="loc_us-gaapSubsequentEventTypeDomain" order="0"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaapSubsequentEventMember"/> |
| | <link:presentationArc order="140" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapSubsequentEventTypeDomain" xlink:to="loc_us-gaapSubsequentEventMember" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaapBusinessCombinationConsiderationTransferred1"/> |
| | <link:presentationArc order="0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapBusinessCombinationConsiderationTransferred1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment"/> |
| | <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapPaymentsToAcquirePropertyPlantAndEquipment" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyDamagesAwardedValue" xlink:label="loc_us-gaapLossContingencyDamagesAwardedValue"/> |
| | <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapLossContingencyDamagesAwardedValue" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_LossContingencyPeriodicPaymentAmount" xlink:label="loc_HFRNLossContingencyPeriodicPaymentAmount"/> |
| | <link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_HFRNLossContingencyPeriodicPaymentAmount" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_LossContingencyLawsuitFee" xlink:label="loc_HFRNLossContingencyLawsuitFee"/> |
| | <link:presentationArc order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_HFRNLossContingencyLawsuitFee" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyDamagesPaidValue" xlink:label="loc_us-gaapLossContingencyDamagesPaidValue"/> |
| | <link:presentationArc order="50" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapLossContingencyDamagesPaidValue" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationReserveCurrent" xlink:label="loc_us-gaapLitigationReserveCurrent"/> |
| | <link:presentationArc order="60" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapLitigationReserveCurrent" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Cash" xlink:label="loc_us-gaapCash"/> |
| | <link:presentationArc order="70" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapCash" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaapEquityMethodInvestmentOwnershipPercentage"/> |
| | <link:presentationArc order="80" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapEquityMethodInvestmentOwnershipPercentage" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LandAndLandImprovements" xlink:label="loc_us-gaapLandAndLandImprovements"/> |
| | <link:presentationArc order="90" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapLandAndLandImprovements" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForLegalSettlements" xlink:label="loc_us-gaapPaymentsForLegalSettlements"/> |
| | <link:presentationArc order="100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapPaymentsForLegalSettlements" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesAcquisitions"/> |
| | <link:presentationArc order="110" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesAcquisitions" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="loc_us-gaapSharesIssuedPricePerShare"/> |
| | <link:presentationArc order="120" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapSharesIssuedPricePerShare" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueAcquisitions"/> |
| | <link:presentationArc order="130" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueAcquisitions" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_CommonStockProcessOfCancellation" xlink:label="loc_HFRNCommonStockProcessOfCancellation"/> |
| | <link:presentationArc order="140" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_HFRNCommonStockProcessOfCancellation" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationSettlementExpense" xlink:label="loc_us-gaapLitigationSettlementExpense"/> |
| | <link:presentationArc order="150" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapLitigationSettlementExpense" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencySettlementAgreementTerms" xlink:label="loc_us-gaapLossContingencySettlementAgreementTerms"/> |
| | <link:presentationArc order="160" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapLossContingencySettlementAgreementTerms" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SettlementLiabilitiesCurrent" xlink:label="loc_us-gaapSettlementLiabilitiesCurrent"/> |
| | <link:presentationArc order="170" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapProductLiabilityContingencyLineItems" xlink:to="loc_us-gaapSettlementLiabilitiesCurrent" xlink:type="arc"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://hfrn.us/role/OperatingLeaseDetailsNarrative" xlink:title="00000029 - Disclosure - Operating lease (Details Narrative)"> |
| | <link:loc xlink:type="locator" xlink:href="hfrn-20220331.xsd#HFRN_DisclosureOperatingLeaseAbstract" xlink:label="loc_HFRNDisclosureOperatingLeaseAbstract"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:label="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_HFRNDisclosureOperatingLeaseAbstract" xlink:to="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" order="100"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" order="200"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="loc_us-gaapTypeOfArrangementAxis"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="loc_us-gaapTypeOfArrangementAxis" order="10"/> |
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