1. Wash the pigskin, put it into the soup pot, and add the onion and ginger aniseed.

2. After boiling, remove the blood foam, cook on medium and small fire until the pigskin is punctured by chopsticks, remove and cool.

3. Remove some fat oil from pigskin and cut it into small strips.

4. Add sesame oil, Chili oil, sugar, vinegar, salt and coriander in turn and mix well.