1. Chop the ribs into 3 cm long pieces, soak them in cold water for 3-4 hours, boil them in boiling water and wash them. 2. Put 3000 grams of water in the pot, add soy sauce, salt, cooking wine, sugar, green onion, ginger and meat bag (5 grams each of cinnamon, cumin, and kaempferol, 2 grams each of pepper, aniseed, and tangerine peel), and bring to a boil Make the sauce, add the pork ribs, skim off the foam, bring to a simmer and cook until the sauce thickens.