There are many reasons for sweaty palms and dampness, including physical weakness, calcium deficiency leading to plant nerve dysfunction, and also to see if the surrounding environment is too hot for the child, and if the child is wearing too thick. 1, if the child is simply sweating a lot and not accompanied by other symptoms, most of them are due to the child’s metabolic ability is relatively strong, belong to the physiological sweating, do not need to worry too much. Parents should be careful not to dress their children too much and too thick, and should follow the environmental changes to increase or decrease their clothes at any time. 2, if the child is after sleep palms, head and face sweating, because of the vagus nerve excitement, generally this condition 1 to 2 hours later can be relieved by itself. If the child keeps sweating after falling asleep, it belongs to plant nerve dysfunction. 3, if the young children love sweating, and sleep is not solid, may be vitamin D deficiency rickets, need to go to the hospital for further consultation. Chinese medicine considers the symptoms of sweaty and damp palms to be commonly due to yin deficiency. In addition to hand and foot fever, the child may also have flushing on both cheekbones, night sweats, dry throat and mouth, heartburn and insomnia, dizziness and tinnitus, red tongue with little coating and fine pulse. Children with Yin deficiency should eat less spicy and fried, deep-fried, exploded and baked foods, and can choose to eat more silver fungus, sugar cane, lily of the valley, maitong ume tea. Those with severe symptoms need to go to the hospital for further consultation and treatment.