[Objective] To evaluate the safety and eficacy of endoscopic resection of upper gastrointestinal submucosal tumors by EUS assisted with high-frequency probe EUS (HFPE).

Investigation on the disinfection quality of endoscopes and influential factors;

Objective To observe the effects of the sequential treatment of intramucosal injection by endoscopes and octreotide for dieulafoy disease.

Analysis on Endoscopic Therapy in 320 Cases with Colon Polyps;

Analysis of 131 Cases with Malignant Biliary Obstruction Treated by Endoscopic Biliary Stent Insertion;

Treating Colonic Poly in Painless Endoscopic;

Combination of Hemostatic Clip by Endoscopy and Adrenaline Hydrochloride for Gastrointestinal Bleeding;

Combination of Laparoscopy and Endoscopy in the Treatment of Intrahepatolithiasis and Extrahepatic Bile Duct Stone Disease;

Handling skill of endoscopy of lacrimal drainage system and its treatment for lacrimal passage obstruction;

Perioperative nursing care of patients undergoing endoscope assisted thyroidectomy;

Contrast research of digital subtraction angiography and endoscope inalimentary tract hemorrhage;

The Microanatomic Study of the Endoscope-assisted Suboccipital Transcondylar Keyhole Approach;

Neuroendoscopy in evacuation of intracerebral hematoma:A report of 15 cases;