Baby’s yellow tongue moss thick, mostly caused by the spleen and stomach damp heat, poor digestive function, the specific causes and treatment methods are as follows: 1, the spleen and stomach damp heat: 1, endogenous damp heat: if the baby over-eating fried, spicy food, sweets, drinks and other fatty, sweet and thick products, long accumulation in the body will cause excessive damp heat, visible yellow thick greasy moss, accompanied by a lack of desire to eat, fatigue, abdominal distension, yellow urine, stool and other symptoms. The doctor’s identification of the application of gentian diarrhea liver pill, clearing heat and dispel damp particles and other drugs; 2, external damp heat: children’s internal organs are delicate, when the external environment is humid and hot, easily attacked by damp heat evil, appear tongue red, throat red, sleepy, poor energy, do not want to eat, sticky stools, yellow thick tongue coating and other damp heat symptoms. It can be treated with drugs such as Yin Qiao Jie Toxin Pill and Huo Xiang Zheng Qi Shui. Second, digestive disorders: mostly caused by food accumulation or fire, excessive milk food for children, damage to the spleen and stomach, resulting in milk food is not transported, stagnant in the stomach and intestines, stagnation of heat, the appearance of thick yellow tongue coating. If it is accompanied by constipation, the child may also have bad breath. In this case, the child can be treated with oral liquid, intestinal probiotics, Baohe pill and other medications. In addition, it is recommended to control the child’s diet, do not eat too much, pay attention to nutrition, and eat more fresh fruits and vegetables. Appropriate strengthening of exercise can effectively help reduce the occurrence of accumulation of food.