Black garlic is a kind of food made from fresh raw garlic and fermented in a fermentor for 90~120 days with skin. Fructose and allicin contained in garlic are completely preserved. So black garlic tastes sweet and sour, delicious, and can also be eaten as dessert or dessert. The results of food analysis showed that the content of amino acids as a delicious ingredient in black garlic was 2.5 times higher than that of ordinary garlic. The black garlic is as soft as jelly after eating it, and has not had the unique smell of raw garlic after eating it.