If there is vomiting and diarrhea, dilute water, this situation is generally considered gastroenteritis, mostly caused by unclean diet, there are the following situations: First, if the number of diarrhea, vomiting is more frequent, abdominal pain is serious when accompanied by fever and other conditions, it is recommended to go to the hospital as soon as possible for treatment, give rehydration and other symptomatic treatment to avoid dehydration. Second, if there is slight discomfort, vomiting is not frequent, diarrhea is not serious, you can go to the hospital outpatient oral medication, in order to pay attention to the diet during the observation period, if vomiting is frequent, diarrhea is serious, it is recommended to suspend the diet to replenish water and electrolytes through rehydration, the usual diet to light and easy to digest diet, avoid eating overnight, unclean food and too cold food.