The baby because of its special digestive tract, the establishment of flora is not yet perfect, the intestinal mucosa absorption barrier function is poor, intestinal peristalsis disorders, it is easy to cause indigestion. Baby indigestion, have to find the cause, give symptomatic treatment, can maintain the normal intestinal absorption barrier of the child. 1, if the baby long-term diarrhea, dilute watery stools, accompanied by bloating, crying symptoms, consider lactose intolerance, need to do a stool acidity test, after diagnosis need to give lactose-free milk powder or lactase with treatment. 2, the child eczema, accompanied by diarrhea symptoms, mucus-like or blood-like stools, consider protein digestion and absorption is not good or protein allergy, after determining the depth of hydrolyzed milk powder or amino acid milk powder can be given treatment. 3, dyspepsia caused by bacterial imbalance, children are prone to thrush, this problem, you need to choose the appropriate probiotics for children, such as bifidobacteria for about a week. At the same time, feeding on time and according to the amount, pay attention to the hygiene of the diet, to alleviate the dyspepsia caused by flora imbalance. 4, bacterial viral infection caused by enteritis, need to check the stool routine and enterovirus infection detection in order to treat the symptoms, at the same time with probiotics, montelukast and rehydration salts solution, to prevent dehydration. 1 to 2 weeks of treatment time should be able to relieve. Prolonged dyspepsia may cause malnutrition due to malabsorption dysfunction, which may affect the child’s development, so it is important to find out the cause of the problem and treat it appropriately.