The general preservation method is to put it in the cold room, and then sell the products after the soup is finished the next day, and then put the fresh products.

Cooked food is a dish made of processed or blanched raw materials, marinade, red oil salad, smoked and fried. Generally, it can be divided into three categories: braised dishes, cold dishes and spicy stir-fried dishes; Cooked food is common all over the country, mainly stews and cold dishes, which are simple and easy to operate and delicious. Among them, the cooked food of Sichuan cuisine and Anhui cuisine is even more unique, and the representative cooked food is Youwei, Liaoji Bangbangji, Braised Sanguo, Couples' Lung Slices, Bangbangji and Red Star Rabbit Head.