it can't be stored without raw materials. The catering service industry should store raw materials according to food safety requirements. Raw materials with clear storage conditions and shelf life shall be stored according to the storage conditions and shelf life. If the storage conditions and shelf life are not clear and after opening, the appropriate storage conditions and shelf life should be determined according to the food variety, processing methods and packaging forms, and a strict record system should be established to ensure that overdue food or raw materials are not stored and used to prevent food from spoilage.

Article 27 of the Food Safety Law of the People's Republic of China

Containers, tools and equipment for storing food shall be safe, harmless, kept clean, to prevent food contamination, and meet the temperature and special requirements required to ensure food safety

Article 13 of the Measures for the Administration of Food Hygiene in Catering Industry

stipulates that food shall be classified, divided into shelves, partitioned off the ground and stored in places. Secondly, it meets the requirements of ensuring food safety stipulated by food safety standards. For example, according to the current national quality standards for milk-containing beverages, milk-containing beverages should be stored in a dry and well-ventilated place, and should not be stored with toxic, harmful, odorous, volatile and corrosive items. Third, it meets the unique requirements of food itself to ensure food safety. With the development of science and technology and the improvement of human cognitive level, new varieties of food will appear constantly, and special requirements may be put forward for storage, so as to achieve the goal of ensuring food safety.