The contract of sale is a contract in which the seller transfers ownership of the subject matter to the buyer and the buyer pays the price. A food service contract is a contract between a food service organization and personnel and a consumer agreeing that one party will provide food (beverages), a place of consumption and facilities and the other party will pay for it.

Article 465 of the Chinese People's **** and National Code, contracts established by law are protected by law. Contracts established in accordance with the law are legally binding only on the parties, but unless otherwise provided by law.