Pediatric viral enteritis is a very common disease among children, usually there are enteritis caused by viral infections in summer, enteritis caused by rotavirus infections in autumn and winter, currently the most common is rotavirus enteritis and it sometimes causes outbreaks of epidemics. The treatment of this viral enteritis is mainly symptomatic. The first is to pay attention to rest; second, to regulate the diet, the child with viral enteritis diet regulation is crucial, because after the intestinal mucosa is damaged, digestion and absorption function is very poor, so the child’s general diet is less food more meals. For example, if a child can eat 100 ml of a meal, it should be controlled to only 20-30 ml at a time, and the frequency can be increased. Normally it is 3 hours to eat once, now you can eat three times an hour; third, you can take some drugs to protect the gastrointestinal mucosa, such as montelukast; fourth, you can take some probiotics that regulate the intestinal flora. In addition, if the dehydration caused by enteritis is relatively mild, you can take some oral rehydration salts to replenish the loss of electrolytes and water in the body. If the dehydration is more severe, it is recommended to go to the hospital to maintain the water-electrolyte balance and prevent complications.