The child’s night sweating is mainly related to physiological characteristics and lack of vitamin D, but also to observe whether the child has other symptoms: 1. Physiological: children sleep at night sweating more can first look at the child’s clothes to wear too much or cover too thick quilt, the child’s central nervous system development is not yet mature, the ability to regulate body temperature is still relatively low, coupled with the child’s metabolism is strong, sleep is more prone to sweating, this situation do not give the child cover too much, do not regulate the room temperature is also too high. 2. Pathological: If the child in addition to sleep sweating, there are night terrors, pillow baldness, hair and other manifestations, you need to consider whether vitamin D deficiency. There are many other reasons why children sweat too much at night, so parents are advised to take their children to the hospital for early detection of the problem.