legal analysis: the business premises are clean and tidy, and keep a prescribed distance from toxic and harmful places and other pollution sources; Having corresponding equipment or facilities for disinfection, dressing, washing, lighting, ventilation, corrosion prevention, dust prevention, fly prevention, rat prevention, insect prevention, washing, waste water treatment and garbage and waste storage; There are full-time or part-time food safety management personnel and rules and regulations to ensure food safety. 4. There are reasonable equipment layout and technological processes to prevent cross-contamination of food to be processed and directly imported food, raw materials and finished products, and to avoid food contact with toxic and unclean substances.

legal basis: food safety law of the people's Republic of China article 35 the state practices a licensing system for food production and operation. Engaged in food production, food sales, catering services, shall obtain a license according to law. However, sales of edible agricultural products and sales only in prepackaged foods do not require permission. Only selling prepackaged foods shall be reported to the food safety supervision and administration department of the local people's government at or above the county level for the record.