Due to rapid growth and development in childhood, the child’s metabolism is vigorous, coupled with the child’s thermoregulatory center is not well developed, or encountered in the summer climate is hot, the indoor environmental temperature is too high, the baby wear cover too thick, etc. These circumstances can lead to the child to sleep after the sweat, the child through the sweat to regulate the normal body temperature. If the child does not have other discomforts, normal development, sleep sweating is a normal physiological phenomenon, parents do not have to worry too much, pay attention to the child sleep to keep the indoor air circulation, to help the baby to choose a comfortable breathable light cotton clothing, easy to absorb sweat, quilt is not easy to be too thick, and pay attention to the baby in a timely manner to replenish the water and so on. Some children sleep more sweat, may be the nervous system excitability increased performance, at the same time appeared irritable, irritable, pillow baldness, sleep is not solid, need to help the baby in time to check the blood calcium or trace elements, to understand the cause of the disease. Calcium and vitamin D deficiency can cause sweating in the baby’s sleep, which needs to be supplemented in time, and the symptoms of excessive sweating will be improved after calcium supplementation. Usually pay attention to give the child a comfortable and quiet sleep environment, to ensure that the child’s sleep quality, timely supplementation of water and nutrients, supplemental calcium and vitamin D, conducive to the growth of the child.