It is common for babies to sweat during sleep, and most children have physiological hyperhidrosis. Physiological hyperhidrosis is often seen on the head and neck, often occurring within half an hour of falling asleep and ceasing within an hour or so. Individual parents often use their own subjective feelings to determine the best environmental temperature for their children, preferring to cover their babies with more covers and cover them tightly. Children because the neurological development of the brain is not yet perfect, and in the period of growth and development, the metabolism of the body is very vigorous, for overheating stimulation, only through sweating, in order to evaporate the body’s heat, to regulate the normal body temperature. In addition, children will sweat before going to sleep, drinking milk, and exercising a lot. These are all normal physiological phenomena. As long as the unscientific lifestyle is changed, such as the bedroom temperature should not be too high at bedtime, not to wear thick clothes to sleep; cover the quilt should be increased or decreased in time with the change of temperature; before bedtime should not give children to eat, including drinking milk; before bedtime appropriate to limit children’s activities, the symptoms of excessive sweating can be improved. If you exclude the above-mentioned cases of excessive sweating, you need to identify the causes and treat them in a timely manner. Chinese medicine is very effective in treating hyperhidrosis in children according to the different identification, and the course of treatment is usually cured in 1-2 months.