1, peel off the garlic, and then pick out the bruised and broken garlic cloves.
2. Cut a thin layer on the bottom and top of garlic cloves with a knife.
3. Put garlic cloves in a glass jar without water and oil, not too full, but 80% full.
4. Pour in the right amount of rice vinegar.
5. Cover it with plastic wrap and soak it in a warm place for 2 days.
Garlic turns green after 6.2 days, so you can put it in the refrigerator and take it at will.