Husband and wife unilaterally mortgage the property. If the property belongs to the mortgagor's personal property, the mortgage is valid. If the property is jointly owned by husband and wife, the mortgage is invalid in principle. Article 1062 of the Civil Code stipulates that the following property acquired by husband and wife during the marriage relationship is the common property of husband and wife: (1) salary, bonus and labor remuneration; (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.

Legal objectivity:

According to article 1062 of the Civil Code, the following property acquired by husband and wife during the marriage relationship is the common property of husband and wife, which belongs to both husband and wife: (1) salary, bonus and labor remuneration; (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.