1. Prepare all ingredients
2. Put an appropriate amount of water in the pot, add the trotters and green onion, ginger, pepper and white wine to boil
3. Take out the trotters and rinse in cold water, pour out the blood in the pot
4. Pour the pork feet that have just been blanched again, put three bowls of water in the pot, cover the pot and simmer
5. Pour the soaked soybeans in half an hour
6. Continue to cook for an hour and a half and add some salt
7. Add appropriate amount of salt and pepper
8. Then add some black pepper
Tips:1: The trotters must be blanched first 2: Soak the soybeans in advance
