1. Because the melon is salty, soak it in cold water for two hours in advance to reduce the salt content.
2. The pig's feet fly in water, and the bone and meat are separated.
3. The pig's feet fly in water, and the bone and meat are separated. Add half the water and half the rice vinegar to the bone, and simmer for 1.5 hours. Then add ginger and melon salt and continue to simmer for 1 hour.
4. After the bone part is simmered, add the meat part and continue to simmer for half an hour. Then add a little sugar to taste, sour and sweet and delicious.
