Dr. Zhengqian Li，The attending Anesthesiologist of the Department of Anesthesiology of Peking University Third Hospital.After receiving a MD from Wenzhou Medical University and a PhD from Peking University, he has been working at Department of Anesthesiology of Peking University Third Hospital more than six years. And be a Visiting Scholar in Saint Luke’s Hospital, University of Missouri- Kansas，City (UMKC), USA in 2019.His main research focuses on the mechanism and treatment of Postoperative cognitive dysfunction and Septic encephalopathy.HE has supported by National Natural Science Foundation of China (No. No. 81873726).,Peking University Clinical Medicine plus X Youth Project (PKU2020LCXQ016), He has published morenthan ten high quality SCI papers.