Acute gastroenteritis is not simply a stomach disease, but also a disease of the intestinal tract. The main cause of acute gastroenteritis is unclean diet, or diet without restraint resulting in symptoms of the digestive tract, which can be manifested as the upper gastrointestinal tract symptoms are more obvious, but can also be manifested as the whole gastrointestinal tract symptoms are more obvious, the patient to nausea, vomiting symptoms are obvious to consider gastric disease, the whole gastrointestinal tract is mainly considered acute gastroenteritis, diarrhea symptoms are obvious to consider enteritis. If you’re a patient with acute gastroenteritis, you must pay attention to your diet, don’t eat roadside stalls, pay attention to dietary hygiene, avoid overeating, and eat a light, easily digestible diet, and apply appropriate medication to treat the symptoms.