1. Prepare the skin, wash and blanch, and cut into strips.
2. Put in the pot
3. Add the right amount of boiling water and a little salt.
4. Cook until about 60 minutes
5. Add soy sauce and cook again for about 10 minutes
6. Let cool to form a skin jelly
7. Cut into pieces and serve on a plate, with a strong taste. A refreshing drink.