Vietnam is one of many countries that have to face the consequences of environmental pollution and water pollution is one of the biggest problem.There are several source water causes of pollution. Pollution due to natural conditions, domestic waste, from medical waste, from agricultural production,  processes urbanization,...And here is the affect of water pollution as you know in our bodies 70% is water. Humans need water to maintain equilibrium in the body. With the exploitation of natural resources too many people, the clean water source is not only scarce but also severely affected. Lack of clean water and water pollution will have serious consequences that we cannot expect. Untreated water sources will include substances such as arsenic, fluorine and substances. If these 3 substances have little penetration into the body, that's okay. However, if gradually for a long time, especially children, it will affect a lot of health. Specifically, as nerve, skin pigmentation, cardiovascular, intestinal, even cancer. So to ruduce water pollution It is necessary to raise awareness of environmental protection, to dispose of garbage in accordance with regulations, not to litter indiscriminately, to classify waste: compost waste, waste processing, hazardous waste, and dispose of garbage at the right place.