Acute gastroenteritis is mainly related to one's own eating habits, such as unclean diet, bacterial infections such as bacteria, viruses, dysentery bacilli or cholera. In addition, it is also related to the imbalance of bacteria infection flora in the digestive system, which can cause abdominal pain, diarrhea, nausea, vomiting and other symptoms. In case of the above symptoms, it is recommended to go to the hospital for blood test, liver and kidney function, electrolyte, including stool routine culture and drug sensitivity test, and colonoscopy if necessary. In terms of treatment, it can generally be treated by anti infection, fluid infusion, antidiarrhea, etc. At the same time of treatment, we must pay attention to the diet life, eat more vegetables and fruits, and not eat spicy and stimulating food.