1. After the pig's trotters are washed, the hair on the surface is cleaned and cut into pieces;

2. Add a proper amount of water to the pot, add onion, ginger and cooking wine, and put pig's trotters in the pot to cook for 3 to 5 minutes.

3. Put it into clean water to remove blood foam and oil slick, and rinse it for later use;

4. Boil the water in the casserole until it is slightly boiling, add pig's trotters and onion ginger and boil;

5, change the fire, cover and simmer for 2 hours until the trotters are cooked, and pick out the onions and ginger;

6. Add peanuts and salt to taste, and continue to simmer for about half an hour.