Name of Institution & Department: - Qilu Hospital of Shandong University - Department of Gastroenterology Position of Clinical Medicine: - Associate chief physician - Associate professor Position of teaching: - Supervisor of postgraduate Professional Societies or Organizations member: - Youth committee member of Chinese Society of Digestive Endoscopy - Committee Member of GI imaging Collaborating groups of Chinese Society of Gastroenterology Specialty: - Confocal Laser Endoscopy - Chromoendoscopy - Magnification endoscopy - EMR ESD - ERCP - PEG etal.