The alcohol concentration of Maotai-flavor liquor is generally about 53 degrees, which is scientific and reasonable, and the affinity between alcohol molecules and water molecules is the best. In addition, Maotai-flavor liquor has long storage time, less free alcohol molecules and less stimulation to the body. The acidity of Maotai-flavor liquor is 3-5 times higher than that of other liquors, and it is mainly composed of acetic acid and lactic acid which are beneficial to human body. It can protect the spleen and stomach, protect the liver and soften blood vessels.