Gastroenteritis does not necessarily have the symptom of vomiting, vomiting is mostly seen in acute gastroenteritis, chronic gastroenteritis basically does not have the symptom of vomiting. Acute gastroenteritis patients, if the inflammation is lesions, mainly in the stomach, basically will appear epigastric pain accompanied by nausea, vomiting symptoms, if the acute gastroenteritis patients inflammatory lesions are concentrated in the intestines, mainly will appear diarrhea symptoms. For chronic gastroenteritis patients, basically the clinical symptoms are not obvious, patients basically do not appear vomiting symptoms, mainly will appear abdominal pain, accompanied by changes in stool, such as increased frequency of stool, stool changes in character, including dry stools, dilute stools, paste-like stools, etc., for patients with gastroenteritis is recommended to cooperate with the doctor to give the use of medication, if necessary.