No creature can live without water and human being is not an exemption as well.Our body is mainly formed by water,about 70% or more.So everyday we need to drink a lot to keep ourselves healthy and full of energy.Except that,there are lots of things we need water in our daily life.We need to use water to cook,to wash clothes,to shower and so on.As we know the water shortage is a big issue all over the world.Therefore save water is very important in our life.