prepare ingredients: trotters, cooking wine, pepper, cinnamon, star anise, fragrant leaves, dried peppers, garlic, ginger, chives, crystal sugar, light soy sauce and light soy sauce. The method is as follows:

1. Wash pig's trotters, cut them into blocks, and soak them in clear water for 1 hour.

2. Put the pig's trotters in cold water, pour in cooking wine and ginger slices, and blanch the water.

3. Take out pig's trotters, remove pig's hair, and rinse with clear water to drain water.

4. Pour oil in a hot pot, pour pepper, stir-fry pepper with low fire, and take out pepper.

5. Pour star anise, cinnamon, dried chili and fragrant leaves into the pot and stir-fry until fragrant. Add pig's trotters and fry until the skin is golden.

6. Pour in cooking wine, light soy sauce and dark soy sauce, stir well, add clean water until the trotters are covered, add garlic, ginger and onion, boil over high fire, and simmer for 1 hour.

7. Add a proper amount of rock sugar to taste, collect the juice on high fire and take it out.