1. Pick the whole, clean and hard garlic.

2. Peel the garlic, then wipe the garlic with a paper towel and clean it one by one.

3. Disinfect the bottle in advance, and then control the drying to ensure that the bottle is oil-free and water-free.

4. Fill it with rice vinegar instead of aged vinegar.

5. Cover the bottle with plastic wrap, and then put it in the refrigerator tightly.

6. Serve it with jiaozi.