Legal analysis: If the property is the property of both husband and wife, the signature of both parties is required to sell the house. The couple needs to bring their ID card and household registration book, marriage certificate, housing and property certificate, deed tax certificate, and proof of housing status in the place where they are registered, and go to the house management together to go through the signature procedures before they can sell their house to someone else.

Legal basis: Article 1062 of the "People's Republic of China and Civil Code", the following properties acquired by husband and wife during the marriage relationship shall be the joint property of the husband and wife and shall belong to both parties. The husband and wife *** jointly own:

(1) Wages, bonuses, and labor remuneration;

(2) Income from production, business, and investment;

( 3) Income from intellectual property rights;

(4) Property inherited or donated, except as provided for in Paragraph 3 of Article 1063 of this Law;

( 5) Other property that should be owned by the owner.

Husband and wife have equal rights to handle the same property.