Whether a gift contract signed by a husband and wife is valid or not is judged based on the nature of the property. If it is the personal property of one spouse, the unilateral gift of the personal property is valid, and the spouse cannot revoke the gift; if it is the joint property of the couple, the validity of the gift is pending and needs to be confirmed by the other spouse. According to Article 703 of the "People's Republic of China and Civil Code" that came into effect on January 1, 2021, a lease contract is a contract in which the lessor delivers the leased property to the lessee for use and income, and the lessee pays rent. Article 704 of the Civil Code: The contents of a lease contract generally include the name, quantity, purpose, lease term, rent and payment term and method, maintenance of the leased property, etc.