Legal analysis: If the names on the real estate license are the names of both husband and wife and their pre-marital property, both husband and wife have every right to sell the house and only need to sign one person to buy the house. However, if it is the property after marriage, and the other husband and wife participate in the purchase or repayment, it belongs to * * * property, so the transfer of real estate requires the signature of both husband and wife.

Legal basis: Article 1063 of the Civil Code of People's Republic of China (PRC). The following property is the personal property of one of the spouses:

(1) one party's premarital property;

(2) Compensation or compensation obtained by one party for personal injury;

(3) Property that is determined to belong to only one party in the will or gift contract;

(4) Daily necessities used exclusively by one party;

(five) other property that should be owned by one party.