Chao-Hui Yu, Professor of internal medicine, Chief physician of gastroenterology, Doctoral supervisor. He has served many positions including Chief Physician, Zhejiang University, the First Hospital Affiliated to Medical School (2012 –persent); Associate Chief Physician Zhejiang University, the First Hospital Affiliated to Medical School (2007-2011); Attending Physician, Zhejiang University, the First Hospital Affiliated to Medical School, (2002-2006). National ten thousand plan scientific and technological leaders in 2019, the ministry of education in the new century talents program in 2013. Once finished two Natural Science Foundation of China, two zhejiang science and technology development plans. Now having one Natural Science Foundation of China and national key R&D program of China. Participating one key research project supported by National Natural Science Foundation. The representative research results were published in GUT, Journal of Hepatology, Am J Gastroenterol and J Exp Med.