Baby stool is very smelly may be related to dietary factors, indigestion, lactose intolerance, milk protein allergy, etc. It is recommended to seek medical advice to clarify the cause of the disease, according to the cause of treatment. A, dietary factors: breast-fed babies, the mother’s diet is too greasy, high protein content of food, resulting in the baby’s intake of fat and protein too much, the baby poop stinky, or add complementary food baby eat too much protein food, also easy to lead to this situation, no treatment, adjust the diet structure can be. Second, indigestion: baby eating too much will lead to indigestion, resulting in food fermentation in the intestinal tract, too much gas production, the situation of smelly stools. You can follow the doctor’s instructions to take oral digestive drugs, such as domperidone suspension, etc. You can also take oral probiotics, such as Bifidobacterium triadicum capsule, etc. Third, disease factors: 1, lactose intolerance, milk protein allergy: such babies will appear after eating lactose-containing dairy products or milk smelly stool, then pay attention to whether the child has intolerance, such as every time you drink milk powder will appear stool diarrhea, then you need to give the baby to drink lactose-free formula or feed milk before adding lactase; cow’s milk protein allergy can be applied to hydrolyzed formula or amino acid 2, acute enteritis: if the baby’s stool is very smelly and accompanied by diarrhea symptoms, may be caused by acute enteritis, to eat less and more meals, can be given montelukast, loperamide and other medication. Normally, you should give your baby light, easy-to-digest food and fresh fruits and vegetables, try to avoid giving your baby spicy, stimulating food, so that your baby develops good eating habits.