1, long beans pinch off the head and tail, then wash them, dry them first, and dry some water outside.

2. Boil the pepper, star anise and rock sugar in excess water, and then air it to cool.

3. Choose an oil-free, water-free and sealed glass jar.

4. Then dish the cool beans, put them in a bottle, add cool water, and then add a few garlic.

5. After a few days, the sour beans are ready.