The applicability of catering service enterprises to food safety system is very important. Food safety system is a series of laws and standards formulated by relevant departments to ensure food safety and hygiene. As an enterprise providing food, catering service enterprises must strictly abide by the relevant provisions of the food safety system, including food procurement, storage, processing, sales and other links, and all need to meet relevant standards and requirements. In the process of storage, processing and sales, enterprises must strictly control the temperature and sanitary conditions of food to prevent food deterioration, pollution and infection. In addition, catering service enterprises should regularly conduct food safety training and assessment for employees to improve their safety awareness and skill level. The applicability of catering service enterprises to food safety system is very important. Only by doing a good job in food safety can we provide customers with safe, hygienic and reliable catering services.