(1) Vegetables, melons and fruits must be classified and placed on the shelf after purchase, and they are not allowed to be piled up anywhere.

(2) When processing vegetables, one should choose, the other should be clean and the third should be cut. Wash vegetables with enough water, and the washed vegetables should be free of sediment, sundries and insects.

(3) Rotten vegetables and fruits are inedible.

(1) First of all, pay attention to the freshness of processed meat, and do not use livestock meat that has died of illness, poisoning, unknown cause of death, and spoilage.

⑵ Seafood should not be mixed with poultry meat for cleaning.

(3) Poultry, livestock and fish shall not directly contact the ground.

(4) Processed meat must be free of blood, hair, dirt and peculiar smell.

5] The chopping board is required to be "three-clean" (the surface, bottom and edge of the chopping board are kept clean), and it should be scraped clean after closing and placed vertically.