1. Prepare all the ingredients: two onions, two ginger slices, pepper 10 slices, appropriate amount of white wine, appropriate amount of pepper, appropriate amount of salt, appropriate amount of black pepper and 2 grams of salt.

2, put the right amount of water in the pot, add pig's trotters and onions, ginger, peppers and white wine to boil.

3. Remove the pig's trotters and rinse them with cold water, and pour out the blood in the pot.

4. Pour the freshly blanched pig's trotters in, put three bowls of water in the pot, and cover the pot to cook.

5. After half an hour, pour in the soaked soybeans.

6. Continue to cook for one and a half hours, and then add the right amount of salt.

7. Add the right amount of salt and pepper.

8. Add the right amount of black pepper.