Legal analysis: When buying or selling a second-hand house, if the owner does not cooperate with the transfer, it will usually be stated in the house sales contract signed by both parties. If there is an agreement in the contract, it will be handled in accordance with the agreement in the house purchase contract. Regardless of whether there is a contract or not, the two parties can negotiate a solution.

Legal basis: Article 509 of the "People's Republic of China and Civil Code" The parties shall fully perform their obligations in accordance with the agreement. The parties shall abide by the principle of good faith and perform notification, assistance, confidentiality and other obligations in accordance with the nature, purpose and transaction habits of the contract. During the performance of the contract, the parties shall avoid wasting resources, polluting the environment and damaging the ecology.