1. After buying new garlic, peel off some of the old skin outside, leaving one or two layers of endothelium.
2. Cut off the root of garlic and shorten the stem, leaving it about 1-2 cm long.
3. Prepare some cold boiled water, add some salt to make light salt water, soak chopped garlic in water for one day and one night, and change the water in the middle.
4. Take out the soaked garlic and control the moisture.
5. Mix rice vinegar and white sugar according to the ratio of 3: 1 and stir for several times to completely dissolve the sugar. The ratio of sugar to vinegar is arbitrary. If you like sweet, put more sugar.
6. Put the dried garlic into a jar or glass jar, and pour in the prepared sweet and sour, and the amount should not exceed the garlic. Cover it and put it in a cool place.