1: Pork skin cold water in a pot, add a tablespoon of cooking wine, a few slices of ginger and cook for 3-5 minutes. 2: Fish out the pork skin with a knife to scrape off the surface fat, cut into thin strips and wash a few more times. 3: Add another pot of 3 large bowls of water, add the shredded pork skin, green onion, ginger, aniseed, peppercorns, salt, high heat to boiling. Cook over low heat for 50 minutes, until the pork rinds are soft and can be turned off. 4: Fish out the spices and add 2 tablespoons of soy sauce to adjust the color. Pour into a container and refrigerate to set. When solidified, slice can be.