Sweaty palms in children may be caused by physiological factors, or it may be caused by hyperhidrosis, rickets and other diseases. 1. Physiological factors: such as excessive tension, elevated temperatures, after strenuous exercise, may lead to children’s sweaty palms. This is a normal phenomenon, usually does not need to be treated. 2. Hyperhidrosis: it is due to the abnormal hyperfunction of sympathetic nerves and caused by a marked increase in palm sweating. 3. Rickets: caused by a lack of vitamin D or calcium, some children will experience increased sweating of the palms. Sweaty palms in children may be a normal phenomenon, or it may be caused by disease, it is recommended to take your child to the pediatrics department of the hospital in time, and actively treat it, so as not to miss the condition.