Professor, Chief Physician, and Doctoral Supervisor. Specializes in complex conditions and challenging cases in digestive diseases, such as inflammatory bowel disease (ulcerative colitis, Crohn's disease), pancreatic cancer, pancreatitis, and irritable bowel syndrome (IBS). Dr. Qian has been engaged in clinical gastroenterology for 32 years. She graduated from Peking University Health Science Center and has worked at Peking Union Medical College Hospital since 1982. She has profound expertise in internal medicine and gastroenterology, accumulating rich clinical experience in handling various difficult digestive diseases. She has successfully diagnosed and treated rare conditions such as autoimmune pancreatitis, neuroendocrine tumors, and retroperitoneal fibrosis with hepatic amyloidosis. She has undergone rigorous scientific research training in the United States twice, undertaken multiple national research projects, and published over 200 papers. She has made significant contributions to improving the diagnosis and treatment of inflammatory bowel disease in China. She is also highly regarded for her focus on patient communication and psychological well-being.