Children with yellow tongue coating and heavy breath are more likely to consider dietary stagnation, dampness and heat in the spleen and stomach (spleen and stomach feel dampness and heat), and hyperactive stomach fire. Children’s yellow thick moss is mostly the main spleen and stomach disease, in which light yellow for heat light, deep yellow for heat heavy, burnt yellow for heat knot, in addition to the external surface evidence (feel the outside world after the main manifestation of the evil for the respiratory symptoms) into the heat can also be seen in yellow moss (mostly thin yellow moss); exclude dental caries, eating and other factors, the heavy breath is more closely related to the spleen and stomach, the heavy breath is mostly seen in the dietary stagnation, dampness and heat of the spleen and stomach, gastric hyperthermia and other reasons. 1. Dietary stagnation is often accompanied by a lack of appetite, fullness and bloating after meals, belching (hiccups) and acid reflux, abdominal pain and desire for diarrhea, diarrhea, pain relief, and stools that smell like rotten eggs, etc. The treatment should be to eliminate food and guide stagnation. 2. Damp-heat in the spleen and stomach is often accompanied by gastric distension, mental fatigue, urine, diarrhea, soft stools, loss of appetite, etc. The treatment should be to clear the damp-heat. 3. Stomach fire is often accompanied by a strong appetite, dry mouth, yellow urine and constipation, the treatment should be clear stomach fire. Because children’s organs are delicate, physiological function is not yet perfect, if necessary, it is recommended to go to the regular hospital, under the guidance of a professional physician to identify the treatment.