Legal analysis: you can sign a gift contract and go through the corresponding notarization procedures, but if the house is still in the process of repaying the loan, you may need the consent of the loan issuing bank to change its name.
Legal basis: Article 657 of the Civil Law of People's Republic of China (PRC) is a gift contract in which the donor gives his property to the donee free of charge and the donee expresses his acceptance of the gift.