They are all raw. You can't cook, cook or taste together. After blanching pig's head and pig's feet to remove hair, boil them in salt water for half an hour and soak them for two hours. After the heart, liver and lungs are blanched, add the same pot of salt water to boil for 10 minute, soak for about half an hour and then take it out. After all the other brines in the same pot are fished out, the small intestine is marinated, and the pork belly is also the last batch. Brine that has been marinated in the viscera of digestive tract can only be marinated in the viscera of digestive tract, boiled for half an hour with strong fire, soaked for half an hour, and then boiled for half an hour with strong fire.

Spices and spices can refer to: star anise, pepper, cinnamon, fragrant leaves, ginger, galangal, kaempferia kaempferia and Amomum villosum. The first five kinds are sold in supermarkets, and the last three kinds are sold in Chinese medicine shops.