3, parents: children drinking water is safe and secure, parents can rest assured. 5. Society: water conservation, safety and health, fairness and reasonableness, parents&; peace of mind, and school&;s peace of mind. 1. School: No investment, free use of facilities, easy improvement of campus drinking water conditions. The security risks of campus drinking water and the fair and reasonable charges have become a difficult problem for most schools. If schools arrange for students to drink bottled water, it will be a huge burden in economy and management, so how to solve the problem of students&; drinking water is a big problem. It should be emphasized that drinking drinks can&;t replace drinking water. These sweet and sour drinks are not only easy to cause students&; anorexia and water aversion, but also cause students&; nutritional deficiency and acidic physique in the long run.