The typical symptom of enteritis in children is diarrhea, the stool can be yellow and watery, egg-flake soup-like, and in a few children, mucopurulent stool, accompanied by loss of appetite, nausea, vomiting, depression, and fever. The clinical picture is usually divided into mild enteritis and severe enteritis. 1. mild enteritis: mainly diarrhea, children may have loss of appetite, increase in the number of stools, ≥3 times a day. but each stool volume is small, acidic, yellow or yellow-green thin stools or watery stools, a small number of children can appear vomiting. Usually there are no symptoms of dehydration, and most of them can be cured within a few days; 2. Severe enteritis: frequent diarrhea, 10 times a day and more, stools are mostly yellow watery or egg-flake soup-like, a few will have mucus-purulent blood stools, accompanied by obvious symptoms of dehydration and systemic toxicity, such as fever, irritability, depression, drowsiness, pallor, dryness of the mucous membrane of the mouth and lips, poor skin elasticity, etc., and even shock, coma, etc. The most common form of enteritis is rotavirus. The most common form of enteritis is rotavirus enteritis, which occurs in the fall and winter months. When a child has enteritis, it is important to go to the hospital in a timely manner to identify the cause and provide clear treatment under the guidance of a doctor to avoid delays.