Xie Junran, chief physician, doctoral supervisor, assistant director of Anesthesiology of Sir Run Run Shaw Hospital affiliated to Zhejiang University School of medicine. Doctor Xie is  good at diagnosis and treatment of critically ill patients, anesthesia for elderly patients, difficult airway management, ultrasound guided regional nerve block, and acute and chronic pain. He is devoted himself to basic and clinical research of lung injury, acute and chronic pain treatment and mechanism research.