Prevention of perioperative infections：Present problem and solution        XU Jin. Department of Pancreatic Surgery，Shengjing Hospital of China Medical University，Shenyang 110004，China
Abstract    The infection in perioperative period is very important，which is associated with hospitalization time，cost，complication and prognosis of patients. According to occurrence time，infection can be divided into the three phases：preoperative，intraoperative and postoperative infection. Every phase has its own characteristics and should be realized carefully. The patients with infection may be safe by active prevention and prompt treatment.