1. Add oil, star anise and pepper powder into the pot, which is medium hot and fragrant.
2. Put in the meat slices and stir fry until the meat turns white.
3. Add sauerkraut and stir fry for 2 minutes.
4. Add the bone soup and bring to a boil. Add in the oysters and boil again.
5. Transfer the text and cook for 15 minutes, then add salt to taste.