Pu-erh tea does not possess efficacy, but only refreshes the mind and replenishes the body with amino acids, vitamins, minerals and other nutrients. Pu-erh tea is a classification of tea, named for its abundance in the Pu-erh region. Like all teas, Pu-erh tea is rich in alkaloids, tea polyphenols, lipopolysaccharides and other substances, which have the effect of stimulating the central nervous system, relieving fatigue, and keeping the nerves excited and refreshed. Pu-erh tea is only a beverage that can fulfill a limited number of biological functions and therefore cannot be used for the prevention and treatment of diseases. If you are allergic to Pu-erh tea, do not drink it. In addition, it should be noted that Pu-erh tea has a high fluorine content, and should not be consumed in large quantities. Buying and drinking Pu-erh tea from regular sources will be beneficial to your health.