A total of 20 anesthesiologist (A group) and 20 surgeon(S group) in Ruijin hospital were enrolled for this study. Except had a medical history of mental illness or emotional disorder and pregnant woman. A group and S group completed emotional self-perceived questionnaire and then observe the characteristic of cerebral state via cerebral state monitor. They also completed anonymous questionnaire, including Maslach Burnout Inventory-General Survey(MBI-GS), Self-reporting Inventory-90(SCI-90), Burnout Measure(BM).