The difference between Cao Shi duck neck and Mala Tang lies in the different types of sale. Because Cao Shi duck neck mainly sells duck neck halogen products and vegetable halogen products. The main types of mala Tang are all kinds of meatballs, vegetables and pasta cooked together. This shows that Cao Shi duck neck and mala Tang sell different types. Therefore, the difference between Cao Shi duck neck and mala Tang lies in the different types of sale. Cao Shi Duck Neck is the trademark brand of Chengdu Unity Cao Shi Duck Neck Catering Management Co., Ltd., which belongs to Sichuan braised dishes. There are spicy dishes, which are divided into two categories: meat dishes, and the business model is to make and sell now. Mala Tang originated in Leshan, Sichuan, and became popular all over the country after being improved in Northeast China.