1: Pork skin cold water into the pot, add a tablespoon of cooking wine, a few slices of ginger to 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 then cleaned a few more times. 3: Another pot to add 3 large bowls of water, add 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.