Acidic substances are common in human body. Too much lactic acid can easily cause muscle fatigue and soreness. After acid discharge, it can improve muscle strain, relieve muscle stiffness, and improve muscle pain and severe symptoms. Excessive accumulation of fatty acids can lead to obesity, and active elimination of fatty acids can effectively control weight and keep a good figure. Excessive uric acid is a common cause of gout, and active excretion of uric acid can effectively control and alleviate gout. Active excretion of cholic acid can promote intestinal peristalsis, improve intestinal function and relieve constipation and other symptoms. In addition, acid excretion also helps to improve sleep, improve attention loss and relieve fatigue. Women's acidic constitution is prone to gynecological diseases, and active acid excretion is helpful to improve gynecological inflammation.