Legal analysis: During the marriage relationship, the Marital Property Agreement signed privately by both husband and wife belongs to the agreement between husband and wife in law. Is legally binding.

Legal basis: Article 162 of the Civil Code of the People's Republic of China

The following property acquired by husband and wife during the marriage relationship is the common property of husband and wife, and belongs to both husband and wife:

(1) salary, bonus and remuneration for labor services; (2) income from production, operation and investment; (3)

husband and wife have equal rights to deal with the same property.

Article 163 The following property is the personal property of one of the spouses:

(1) the pre-marital property of one spouse; (2) the compensation or compensation obtained by one spouse due to personal injury; (3) the property determined to belong to only one spouse in the will or gift contract; (4) the daily necessities for one spouse; and (5) other property that should belong to one spouse.

article 164 the debts incurred by both husband and wife with the same signature or the subsequent ratification by one of them, as well as the debts incurred by one of them in his own name for the daily needs of the family during the marriage relationship, belong to the same debts of husband and wife.