The problem raised by this mother is a problem encountered by almost every parent, and some parents are worried because of it. In fact, there are many reasons for excessive sweating in children, both physiological and pathological. It should be said that most of the children sweat a lot, belong to the physiological hyperhidrosis. Due to the rapid growth and development of children, metabolism is vigorous, the heat and metabolites produced relatively more. At the same time, the pediatric nervous system regulation function is not very sound, sympathetic nerve excitation, sweat phenomenon, which is completely normal. If the child is usually weak, night sweating, or even the whole night sweating, and accompanied by irritability, crying, emaciation and other symptoms, it is a pathologic hyperhidrosis. For children under 1 year old, first consider whether the child has rickets, in addition to night sweating, accompanied by irritability, sleep disturbance, easy to wake up, square skull, ring baldness, chicken chest and so on. Children suffering from rickets start sweating excessively after falling asleep, especially on the head, which can wet the pillow or pillowcase, and the excessive sweating can be corrected quickly through active treatment. In addition, tuberculosis, hypoglycemia, anemia, rheumatism, rheumatoid, hyperthyroidism and other diseases can also cause excessive sweating. Therefore, children sweating, should be timely to the hospital in order to exclude certain diseases caused by excessive sweating. As the human body in a variety of trace elements can be excreted through sweat, sweating will make the loss of zinc too much, resulting in the body of zinc deficiency, growth and development slowdown, immune function is low, so that the recurrence of infections, which in turn will cause pediatric weakness, aggravated sweating, thus forming a vicious circle. Therefore, sweating children should be appropriate supplemental zinc.