Practice: soak kelp in water until soft, cut into sections, peel and core apples, cut into pieces, cut pork into pieces, blanch, pour water into the casserole, add apples, kelp and lean pork, boil over high fire, simmer for 2 to 3 hours, and season with salt before eating.

2. Beishashen old duck soup

Practice: Cut the old duck into pieces, wash it, put it in a casserole, wash Radix Glehniae and Fructus Lycii, put it in a casserole with ginger slices and cooking wine, add water and simmer for 0/to 2 hours, and add salt to taste when the soup is rotten.

3. Sangxing Runfei Decoction

Practice: First, fill the pig lungs with water, wash the internal organs and dirt, then cut them into small pieces, then squeeze them with salt and rub them clean, rub them out of foam, put them in a clay pot with mulberry bark, almonds and dried tangerine peel, add appropriate amount of water, and cook for 3 hours until they taste delicious.