The specific production process is as follows: cut the processed pig small intestine and pig lung into small pieces, put them into marinade prepared with various spices and seasonings, put them into immature noodles when they are eight ripe, stir-fry tofu slices and blood tofu, take them out when the intestines and lungs are cooked thoroughly with fire, cut the small intestine, cut the lungs, burn them, stir-fry the tofu into pieces, pour the marinade, and add garlic juice, bean juice, coriander and so on. Braised pork is a famous food in Beijing. It is to cook the cooked and stewed fat intestines with pig lungs (sometimes with pig kidneys) and buy a bowl of staple food, non-staple food and hot soup. The specific production process is as follows: cut the processed pig small intestine and pig lung into small pieces, put them into marinade prepared with various spices and seasonings, put them into immature noodles when they are eight ripe, stir-fry tofu slices and blood tofu, take them out when the intestines and lungs are cooked thoroughly with fire, cut the small intestine, cut the lungs, burn them, stir-fry the tofu into pieces, pour the marinade, and add garlic juice, bean juice, coriander and so on.