The most prominent advances in gastroenterology in recent years are in the examination and intervention of gastrointestinal endoscopy, such as the new generation of electronic gastroscopy, duodenoscopy, double or single balloon small intestine, colonoscopy, ultrasound endoscopy, magnifying endoscopy, pigmented endoscopy, confocal endoscopy, capsule endoscopy, etc.; the latter, such as upper gastrointestinal foreign body clamping, esophageal stricture balloon or probe dilatation or placement of metal stent treatment, esophageal Gastrointestinal hemostasis, microwave or argon knife treatment for refractory ulcer or bulging erosive gastritis, polyp or bulge removal, mucosal resection or peeling for early gastric cancer, papillary sphincterotomy, biliopancreatic duct lithotomy and lithotripsy, biliopancreatic duct internal stent placement and drainage, nasobiliary duct drainage and biliary roundworm removal, etc., so that some diseases that originally required traditional surgery are now preferred for endoscopic intervention, avoiding caesarean operation, with less damage, less pain, less complications, and less complications. It is less painful, less complications, faster recovery, and relatively low cost.