Maotai-flavor liquor contains a lot of acid. Because alcohol is relatively easy to volatilize, the alcohol content is high at first, and then it is lower and lower, while acid is relatively difficult to volatilize. Maotai-flavor liquor contains 3-4 times as much acid as other liquors, mainly acetic acid, lactic acid and unsaturated fatty acids, which is beneficial to human health. At the same time, Maotai-flavor liquor contains many natural phenols. Medical circles believe that dry red wine can prevent cardiovascular diseases because it contains a lot of phenols. According to the analysis of liquor experts, the phenolic compounds in maotai-flavor liquor are 3 ~ 4 times higher than those in other famous wines.