Burned tripe is a general term, which is divided into sheep tripe and beef tripe. Cow tripe is divided into two types: beef louver and tripe kernel; sheep tripe is divided into 9 types: sheep tripe, sheep tripe collar, yang-side tripe plate, and yin-side tripe. Board, mushroom, mushroom tip, food letter, gourd, and grass teeth. Baoduwang generally only makes 5 varieties that are easy for the public to accept: beef louvers, beef tripe kernels, sheep tripe noodles, sheep tripe collars, and sheep tripe boards (sunny side tripe boards).

Baodu is a famous Hui snack in Tianjin and Beijing, and is mostly operated by Hui compatriots. Buried belly has been recorded as early as the Qianlong period of the Qing Dynasty. In the past and present, every late autumn and early winter, Beijing’s halal restaurants and vendors have been busy with their business. There are "exploding stones" on Beijing's overpasses, "exploding poplars" on the doorframe alleys, and the most famous are "exploding feng" and "exploding man".

The fried tripe is made by washing and sorting fresh beef tripe (referring to beef louvers and tripe collars) or fresh sheep tripe, cutting it into strips, frying it in boiling water, and dipping it in oil, sesame paste, vinegar, and chili oil. , soybean curd soup, minced coriander, chopped green onion and other seasonings to eat, the texture is fresh and tender, and the taste is crispy.