1: Put pigskin into the pot in cold water, add a tablespoon of cooking wine, and cook a few slices of ginger for 3-5 minutes. 2: Remove the pigskin and scrape off the surface grease with a knife, cut it into thin strips and wash it several times. 3: Add 3 bowls of water to another pot, add shredded pork skin, onion, ginger, star anise, pepper, salt, and bring to a boil with low heat for 50 minutes, then turn off the heat until the pork skin is soft and rotten. 4: Remove the spices and add 2 tablespoons of light soy sauce for color matching. Pour into a container, and refrigerate for setting. After solidification, slice it.