Hello, landlord! The shelf life of goods is also called shelf life. Shelf life (b?ozh?q:) [Shelf life] The shelf life of a product refers to the quality guarantee period of the product under normal circumstances. The shelf life of the product is provided by the manufacturer and marked on the product for limited use. During the warranty period, the manufacturer of products is responsible for the quality of products meeting relevant standards or explicitly guaranteed quality conditions, and the seller can sell these products with confidence, and the consumer can use them with confidence. Attachment: The national food authorities have made the following provisions on the shelf life of some foods: 1. Alcohol: the shelf life of bottled ordinary cooked beer is 2 months, and the shelf life of special beer is 4 months; Bottled grape wine for six months. 2. Drinks: juice soda, fruit soda and cola soda. The shelf life of glass bottles is 3 months and canned for 6 months; The juice is bottled in glass for 6 months. 3, canned: canned fish and poultry, glass bottles, shelf life of 2 years; The cycle of canned fruits and vegetables and glass bottles is 15 months; The shelf life of fried dried fruits, tomato sauce, tin cans and glass bottles is 1 year; Tinplate canned milk powder 1 year, glass bottle for 9 months, 500g plastic bag for 4 months. 4. Sugar: cookies can be canned for 3 months, packed in plastic bags for 2 months, in bulk 1 month; The shelf life of chocolate and sandwich chocolate is 3 months, pure chocolate is 6 months, and bulk chocolate is 1 month. Seasoning soy sauce and vinegar for 6 months. (Intellectual property mainly refers to copyright, trademark right, patent right, etc. I hope my answer can solve your problem and help you. Have a happy day!