Drinking boiled water has the function of replenishing water for the body, maintaining the normal physiological functions of the body, etc. However, boiled water is not a drug, and generally does not have the same efficacy as drugs. Boiled water generally refers to drinking water after boiling water, daily intake of a certain amount of water is beneficial to the body, the most direct is to replenish the body’s water needs, so that the body’s physiological functions are normal. If the body is excessively dehydrated, it may also cause dry skin, kidney atrophy, decreased urine output or no urine and other adverse symptoms. In addition, drinking plain water can also regulate the body temperature to a certain extent. Therefore, it is recommended to maintain a certain amount of water daily, generally the average adult in 1500 ~ 2000ml can, encounter special circumstances such as high temperature, and then adjust as appropriate.