If the buyer of the house purchase contract is a husband and wife, it is not necessary for both husband and wife to sign, but the buyer can sign; If the buyer of the house purchase contract is husband and wife, or needs a loan to buy a house, it must be signed by both husband and wife before it can be handled.

legal ground

Article 30 1

The disposal of * * *' s real estate or chattel, and the major repair, change of nature or use of * * *' s real estate or chattel shall be subject to the consent of * * * owner or all * * * owners, unless otherwise agreed by * * * owner.

Article 1062

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

(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.