Dr. Qian Cao is the chief of gastroenterology department at Sir Run Run Shaw Hospital, school of medicine, Zhejiang University. She is the key member of IBD group at Chinese Society of Digestive Disease, CMA and the leader of IBD group of Zhejiang Society of Digestive Disease, ZJMA. She is also a member of Clinical research committee of AOCC. Dr. Cao has more than 20 years of clinical experience in the filed of IBD. Her research interest lies in immunomodulators and novel biologic therapy for patients with IBD, as well as IBD patient management and long-term clinical outcomes. Dr. Cao lead a research team which focuses on epidemiological study, health economic research on IBD patients, as well as intestinal immunity, genetic susceptibility genes of inflammatory bowel disease in Chinese population.