The examination of enteritis includes checking blood routine, fecal routine, enteroscopy and so on. Enteritis is an inflammatory reaction of the intestinal tract caused by various reasons, such as intestinal bacteria, viruses and other pathogenic microorganisms infection or by immune damage, radiation damage, dietary stimulation, drug stimulation and other factors. Clinical manifestations mainly include fever, diarrhea, nausea, vomiting, abdominal pain, dilute watery stools or mucus, pus and blood stools, and some patients may also have a sense of urgency. According to the different causes of enteritis, it is divided into two categories: infectious and non-infectious. In severe cases, enteritis can cause dehydration and electrolyte disorders, even life-threatening. Common tests for enteritis include routine blood and stool. Routine blood tests often indicate white blood cells or elevated white blood cells, and routine stool tests can show red blood cells and pus cells. Further clarification of enteritis should be done enteroscopy, enteroscopy is the most direct, intuitive and accurate way to diagnose enteritis. After the diagnosis of acute enteritis should be timely according to the cause of the appropriate treatment, such as anti-infection treatment. Patients with diarrhea and vomiting symptoms should be supplemented with fluids and corrected electrolyte and acid-base balance disorders according to blood biochemistry results. If the patient is mildly dehydrated and the vomiting is not severe, oral rehydration solution can be given. Patients with enteritis should go to the hospital as soon as possible for targeted treatment under the guidance of the doctor. Do not take medication on your own to avoid delaying your condition.