Children sleep with a full head of sweat may be with environmental factors, physiological factors, vitamin D deficiency rickets, tuberculosis and other causes. 1. Environmental factors: if the indoor temperature is too high, the quilt is too thick, wear too much, may lead to children in the sleep, too hot sweaty situation. 2. Physiological factors: children’s metabolism is faster than adults, basal metabolic rate is also higher than adults, the central nervous system on the body temperature regulation is not yet perfect, the phenomenon of sweaty sleep. In addition, some children because the sweat glands are more developed, can also lead to sleep sweating, which is a physiological phenomenon. 3. Vitamin D deficiency rickets: when the child vitamin D deficiency, may lead to vitamin D deficiency rickets, so that the sympathetic nervous excitability increases, appear sleepy and sweaty. 4. Tuberculosis: If a child is infected with Mycobacterium tuberculosis and suffers from tuberculosis, it is also easy to lead to sleep sweating, fatigue, chest pain, coughing symptoms. Children sleep sweating to rule out environmental factors, physiological factors, parents should take children to the hospital in a timely manner, improve the relevant examination, under the guidance of the doctor to carry out the appropriate treatment and therapy.