Production method of pigskin jelly: raw materials: pigskin 2000g, pigskin three times of water, star anise, cinnamon, onion, ginger and salt. Production: Cook the pigskin in a pot until it is cooked, take it out, wipe the oil clean with a spoon, then cut the pigskin into one-inch thin strips with a knife, put it in the pot, add star anise, cinnamon, ginger and salt, boil it with strong fire, then cook it with slow fire for 30 minutes, then add chopped green onion when taking out of the pot, and pour it into a container to naturally freeze into a gelatinous block.