The advantages of laparoscopic surgery are: 1, less trauma, less bleeding, less pain, early eating and can be moved to the ground; 2, fast recovery, small impact on the body’s immune system, short hospitalization; 3, good laparoscopic illumination, better field of vision than open surgery, safe and reliable surgery, more complete tumor removal and eradication; 4, convenient intraoperative exploration of the whole abdominal cavity; 5, small incision scar, good cosmetic effect; no pain in the incision.