Legal analysis: the house was bought before marriage, and of course it belongs to pre-marital property. In the case of divorce, the house belongs to the woman's unilateral property. However, after marriage, the amount of mortgage repayment is regarded as the joint property of husband and wife. In case of divorce, one party has to pay half in cash.

Legal basis: Article 1062 of the Civil Code of People's Republic of China (PRC), the following property acquired by husband and wife during the marriage relationship is the common property of husband and wife and belongs to them:

(1) Wages, bonuses and remuneration for labor services;

(2) Income from production, operation and investment;

(3) Income from intellectual property rights;

(4) Inherited or donated property, except as provided for in Item 3 of Article 1063 of this Law;

(five) other property that should be owned by * * *.

Husband and wife have equal rights to dispose of the same property.