1. Prepare all the ingredients, among them, cumin, star anise, cinnamon and pepper are sautéed on low heat to fragrant, and put into the seasoning box
2. Soak the pork spine in water for more than 1 hour in bleeding water, add cold water to the pot, add the pepper and ginger slices, boil without a cover, and boil while skimming the foam, add a proper amount of cooking wine and continue to cook for about 2 minutes
3. Put the bones into a clay pot, add shallots, ginger, garlic, dried red pepper, rock sugar and appropriate amount of cooking wine
4. Continue to add light soy sauce and dark soy sauce, add boiling water until the bones are 80% full, boil on high heat, turn to low heat and simmer for about 1.5 hours, to the degree of ripeness you like, turn twice in the middle to make the skeleton sauce more even
