How to pickle garlic head with sweet and sour vinegar is as follows:

Materials used, 4 pounds of fresh purple garlic, 3 pounds of rice vinegar, 2 pounds of sugar.

Step 1, fresh purple skin garlic peeled, with scissors to trim the root clean. You don't need to break it open so that it's easy to fish it out.

Step 2, the root trimmed like this can be. Wash the soil with water and dry the water, usually need to dry for 12 hours.

Step 3: Pour rice vinegar and sugar into the pot and cook on medium heat.

Step 4: When the sugar is not melted, you need to stir from time to time. Until the sugar melts.

Step 5: Bring the sweet and sour sauce to a boil and keep it boiling for about 2 minutes.

Step 6: Let the cooked sweet and sour sauce cool.

Step 7: Clean the container and dry it.

Step 8: Put the garlic first and fill it up.

Step 9: Pour the sweet and sour sauce over the garlic.

Step 10: Cover and put it in a cool place, usually about 15 days to eat.