legal ground
Article 1065 of the Civil Code of People's Republic of China (PRC)
Both men and women may agree that the property acquired during the marriage relationship and the property before marriage belong to themselves, all or part of it, and part of it. The agreement shall be in writing. Where there is no agreement or the agreement is unclear, the provisions of Articles 1062nd and 1063rd of this Law shall apply.
The agreement between husband and wife on the property acquired during the marriage relationship and the property before marriage is legally binding on both parties.
The husband and wife agreed that the property acquired during the marriage relationship should be owned by each other, and if the other party knows the agreement, the personal property of the husband and wife should be used to pay off the debts owed by the husband and wife.