Children’s tongue coating white thick, phlegm is the manifestation of phlegm-dampness, treatment should strengthen the spleen and phlegm. Children’s organs are delicate, especially the spleen is often insufficient. If the diet is not controlled, easy to cause food accumulation, easy to damage the spleen and stomach over time. And the spleen and stomach main transportation of water and grain essence, spleen and stomach damage, the transportation of incompetence, water and liquid stagnation, phlegm and dampness. Clinical manifestations often include distention and fullness in the epigastrium (abdomen), lack of desire for food and drink, or coughing with excessive phlegm, white in color and sticky in texture, and sticky stools. The treatment is to strengthen the spleen and resolve phlegm. For distension of the epigastrium and inappetence for food, use Baohe Pill and Ercheng Pingtu San; for cough and phlegm, use Ercheng Tang. Please follow the doctor’s instructions when taking the above prescriptions, and do not take medicines for children without authorization, in order to avoid overdose or incorrect medicines.