Abstract: Water is the important component to our bodies. As a necessary primary substance during the whole life process, it plays an extraordinary important role in human being. Therefore, the safe of drinking water is very considerable to our bodies. With the increasing growth of water pollution, lots of people choose to drink purified water. According to the traditional opinion of hygienic, source water contains kinds of inorganic mineral salts providing the necessary elements for organism, and drinking source water can prevent the disease of cardiovascular system and so on. All the above mentions are not provided in purified water. So it has been discussed for a long time about which one is more benefit to health. The possible influence on human health resulted from water pollution and purified water was analyzed in this article.

Key words: water pollution, purified water, health, influence, emergency