Infantile enteritis, a digestive tract syndrome characterized by increased stool frequency and changes in stool character, is one of the most common diseases in infants. The intestinal function of infants and young children is relatively poor, low resistance to external infections, the slightest discomfort is easy to develop. The incidence of six to twenty-four month old babies is extremely high, and about half of the babies within one year of age have suffered from this disease. Pathogenesis: There are many causes of infantile enteritis. The first is that the small baby’s gastrointestinal system is not well developed, the immune system is relatively poor, so it is easy to be infected by viruses and bacteria, triggering enteritis. Secondly, there are many babies, lactase secretion inside the stomach and intestines, usually eat food containing lactose, the body can not decompose, digest, absorb lactose, it is easy to diarrhea, the baby this situation is also called lactose intolerance. Finally, it is the parents indiscriminately give the baby medicine, not under the guidance of the doctor to use antibiotics, resulting in the baby’s gastrointestinal flora imbalance, thus appearing diarrhea. What are the manifestations: Infantile enteritis will appear obvious fever, at this time the baby will be particularly spiritless and weak. In addition, there will be obvious gastrointestinal symptoms, specifically manifested as: loss of appetite, nausea, vomiting, at the same time, the child will have an increase in the number of stools, 3-10 times a day, or even more. The stools change in character and may show loose watery stools. Mildly affected children do not show edema and systemic toxicity, and most of them will be cured within a few days. However, in addition to nausea, vomiting and diarrhea, children with severe enteritis will also show symptoms of dehydration, coma and other symptoms of systemic toxicity, which can lead to the death of the child in severe cases. How to do with enteritis: when the baby got enteritis, parents should have the ability to distinguish between light and heavy enteritis. If it is a severe enteritis should be sent to the doctor in a timely manner, laboratory tests, to confirm whether it is caused by bacteria or viruses, in order to treat the symptoms. If the symptoms of enteritis are only mild, you should give your baby a reasonable diet, avoiding cold and raw food, and keep the abdomen warm. Baby enteritis is often accompanied by dehydration, mild dehydration can be taken oral rehydration, moderate and severe dehydration is generally to take intravenous rehydration therapy. If the baby continues to have vomiting, diarrhea symptoms, depressed, it is recommended to go to the hospital, dehydration in young children is prone to cause high fever, convulsions and electrolyte disorders and other symptoms.