Abdominal cavity infection, the first choice of antibiotics for treatment, abdominal cavity infection mostly E. coli, enterococci and anaerobic bacteria mixed infection, so the clinical often need to use a combination of antibiotics, if conditions allow, according to the bacterial culture test, and drug sensitivity results to determine the more effective antibiotics. Patients with abdominal cavity infection may have pain, chest tightness, dyspnea and other symptoms, which can be treated with sedation, pain relief and oxygenation as appropriate. Patients with abdominal cavity infection who are poor feeders can be given the necessary nutritional support. During the course of treatment, the patient’s symptoms, signs and relevant laboratory results are observed to determine the patient’s condition, and if the condition worsens, surgery is recommended for treatment.