Xiangyang Guo,professor,chief physician, graduate from Peking Union Medical College（PUMC），get MD and PHD in1996. Went to the University of North Carolina to participate in the 6-month standardized clinical GCP training and obtained the certificate in1998. Do postdoctoral work in Cardiovascular Disease Research Centre, University of Cambridge, UK in 2000.supervisor of doctor and post doctor of Peking University. Head of department of anesthesiology of Peking University Third Hospital.Standing Committee Member of Chinese Society of Anesthesiology.Chairman of Beijing Society of Anesthesia,Vice chairman of anesthesiology, Executive Committee of Higher Education, State Education Commission. Ministry of Health senior title assessment expert China,He has cultivated 63 doctoral and master students. HE has been published a number of expert consensus and guidelines of China.His rearch research is anesthesia and brain function and perioperative protection of important organs，He has presided six National Natural Science Foundation of China.and has published 360 academic papers，there are 272 Chinese core journal articles and 88 SCI articles，he has get 16 patents.