Children are more likely to have dampness because their spleen and stomach are weaker. The spleen and stomach are responsible for the transportation of water and dampness, so when the spleen and stomach are weak, internal dampness will be produced in the body, which will cause children to have a pale tongue, thick tongue coating, a sticky mouth, and even an increase in the frequency of stools, loose stools, and other conditions that are heavy with dampness, so children have dampness. For the symptoms of dampness in children, medication can be applied to regulate it, and Wu Ling San can be applied. The ingredients of Wu Ling San mainly include Poria, Ze Di and Atractylodes, which can play a good role in eliminating dampness in the body. After the dampness in children is removed, the physique will naturally be improved.