Decide whether repayment is required according to the specific situation. If it is purchased by loan after marriage, it belongs to the common property of husband and wife and needs to be repaid; If it is a pre-marital loan to buy a house, it will be repaid by the ex-husband alone.

Legal basis:

Article 1089 of the Civil Code of People's Republic of China (PRC) * * * In case of divorce, the husband and wife shall jointly pay off their debts. * * * If the same property is not paid off or the property belongs to each other, it shall be paid off by mutual agreement; If the agreement fails, the people's court shall make a judgment.