Determining whether an infant needs to drink water depends on the specific situation and cannot be generalized: first, the need for water. If the child’s age is more than six months, and usually drink less water, especially the intake of milk is not enough, coupled with the usual sweating more, as well as the volume of urine also appeared significantly less, the mouth and lips also have dry, this time completely can give the child appropriate to drink some warm boiled water. Second, do not need to drink water, if the baby’s age is less than six months, and the amount of milk is also very adequate, the number of children’s urine more than four times a day, this time the child’s skin elasticity is also very good, the lips are also moist, this time is not necessary to drink water.