Legal analysis: If the real estate deed is in one person’s name, whether the couple should sign together to sell the house depends on different circumstances: 1. If the house is personal property before marriage, the real estate deed is in one person’s name, and the house is sold The wife is not required to sign. 2. If the house is purchased by both husband and wife after marriage, although there is only one person’s name on the real estate certificate, it is still the property of both husband and wife. When selling the house, both husband and wife need to sign.

Legal basis: Article 297 of the "People's Republic of China and Civil Code" Real estate or movable property may be owned by two or more organizations or individuals. ***Yes, including by portion*** Yes and ***Same*** Yes. Article 300: All parties shall manage the real estate or movable property owned by the party in accordance with the agreement; if there is no agreement or the agreement is unclear, each party shall have the right and obligation to manage it. Article 1,062 The following properties acquired by husband and wife during the marriage relationship shall be the joint property of the husband and wife and shall be owned jointly by the husband and wife: (1) wages, bonuses, and remuneration for labor services; (2) production , income from operations and investments; (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) Others that should be attributed to* **Same as all properties. Husband and wife have equal rights to handle the same property.