1. First, soak the ribs in clean water for half an hour, then put them in a pot with cold water, boil the water, skim off the floating foam on the surface, and put them into a pressure cooker.

2. Heat oil from the pan, add onion, ginger and garlic and stir fry until fragrant. Add cooking wine, soy sauce and soy sauce and stir fry evenly, and pour in 300ml warm water.

3. Pour the cooked soup into a pressure cooker, cover it with fire and stew for about 20 minutes, open the cover and add salt, stir evenly, and continue to cover and stew for five minutes to complete the production.