Bangbangrou is a traditional snack in Xi 'an, Shaanxi Province. It is a kind of meat food smoked from pig's large intestine. Smoking is a kind of cooking method, which can be divided into raw smoking and cooked smoking. Generally, the smoke from incomplete combustion of sawdust, tea leaves, sawdust, cypress branches and cereal grass is used to absorb it and increase the special flavor of food. The characteristics of bangbang meat are: rosy color, tender and mellow meat, rich incense, and the more you chew, the more fragrant it is.

Xi' an bangbangrou has a history of more than 1 years. It is made of sawdust cooked and smoked. It first appeared in the cypress forest area of Wanaki, Dongguan, Xi 'an. When the operator sold it, he carried an oval wooden box, knocked and shouted with a wooden fish-shaped wooden bang in his hand, and peddled it along the street, hence the name.