Northeast cuisine is called prison guide in criminal law. Official website, the database of national laws and regulations, shows that the ingredients listed in the protection list of the National Rare Animal Protection Law mainly include bear's paw, flying dragon, forest frog, venison and wild boar. It is called the Prison Guide, not because of its taste or cooking skills, but because many traditional dishes use ingredients to protect animals. Northeast cuisine is a local cuisine in northeast China. It is based on the cooking skills of Han immigrants, combined with rich northeast specialties, and absorbs some dietary elements from Manchu, Mongolian and other ethnic groups and foreign countries. Northeast cuisine is characterized by multi-flavor, distinct saltiness and sweetness, extensive materials, sufficient heat, strong flavor, crispness and crisp color, and its cooking method is better than frying, frying, steaming and stewing.