Symptoms of chronic enteritis in children usually have the following aspects: 1, the most common is repeated diarrhea, dyspepsia occurs. 2, chronic enteritis repeated diarrhea leads to digestion and absorption of nutrients have obstacles, there will be malnutrition symptoms and manifestations. 3, chronic enteritis nutrition is poor resistance to recurrent infections, especially easy to recurring digestive infections or respiratory tract infections and other diseases. 4, will Appear microelement deficiency, such as zinc deficiency will make appetite decrease, mucous membrane function deterioration, decreased immunity, such as iron deficiency is easy to cause iron-deficiency anemia, vitamin D deficiency is easy to cause vitamin D deficiency rickets affecting sleep and growth and development, and so on.