If polyp lesions occur in the intestinal lumen of the patient, no matter single or multiple can be minimally invasive surgical method under the colonoscopy to remove or resect the polyps. Surgery belongs to the safer minimally invasive surgery, although belongs to the minimally invasive surgery, polyp removal may occur after the main complications are as follows: 1, polypectomy localized bleeding; 2, polypectomy localized infection, because the intestinal lumen is not a sterile environment; 3, resection site to form a too deep cut, resulting in the intestinal wall breakage intestinal perforation, intestinal contents will flow into the abdominal cavity to form peritonitis infection, abdominal cavity infections; 4, may cause stenosis, resulting in intestinal lumen is not fluent.