Mild acute gastroenteritis may only have mild upper abdominal discomfort, nausea, vomiting, increased stool frequency, even with lower abdominal pain symptoms, if the symptoms are very mild, not seriously affect the patient’s meals, and not because of excessive stool frequency or fever and lead to water-electrolyte disorders, the patient can be home without medication, through rest, diet control can be improved. At this time, the patient should rest in bed, and the diet is very careful, not to eat stimulating diet, such as too cold, too hot, too spicy, too oily, difficult to digest diet, and not to drink cold drinks, or drink easily flatulent food, such as soy milk and other more difficult to digest food. A liquid to semi-liquid diet such as porridge can be eaten every day. After rest and gastrointestinal rest, the function of the gastrointestinal tract can be gradually restored. Patients can treat mild acute gastroenteritis at home and do not need to take medication, but if there is significant fever, nausea, vomiting, very serious symptoms, or even watery stools and very frequent, then it is impossible to get treatment at home and patients are advised to come to the hospital.