Peritoneal dialysis is a form of renal replacement therapy that uses the condition of one’s own peritoneum to perform kidney replacement. The duration of peritoneal dialysis varies depending on the procedure. There are three main types of surgery: 1, puncture method, the puncture method is less invasive and faster, usually only requires a 1cm incision, then to the anterior rectus abdominis sheath, you can do the purse-string suture, through the guide wire placed in the peritoneal dialysis tube, usually about 15-20 minutes to end; 2, the use of laparoscopy, the operation time depends on the proficiency of the doctor to judge, if the doctor is skilled, half an hour to end; 3, the use of laparoscopy, the operation time depends on the doctor’s proficiency; 3, open surgery method, because the incision needs to be cut, and then find the peritoneum, to carry out the purse-string suture, and then place the tube for each layer of the suture, the time is longer, at least need half an hour to an hour or so.