Legal analysis: concrete analysis of specific problems. If you buy a house by mortgage, the court still has the right to execute the mortgaged house in the process of executing the house, and the repayment priority still belongs to the bank.

Legal basis: Article 9 of the Land Administration Law of the People's Republic of China, state-owned land and land collectively owned by farmers may be designated to units or individuals for use according to law. Units and individuals that use land have the obligation to protect, manage and rationally use land.