ObjectiveTo provides suggestions to improve the mental health of the medical staff by investigation and effect analysis of mental health status of the medical staff in the public medical institutions in Shanghai.

MethodsTo conducted a survey of medical staff in public medical institutions including tertiary general hospitals and tertiary specialized hospitals in Shanghai， using random stratified sampling method. The stratified standard includes hospital classification， title， and practice type.

ResultsTotally 3 437 valid questionnaires were collected. Depression， anxiety and compulsion in medical staff were significantly higher than that in the general population. The top three factors that make medical staff anxious were examination， professional promotion， and academic research. The top three stressors were heavy workload， unstable working hours， and promotion pressure. Among the ways to relieve the pressure， the top three were taking a tour， talking with family or friends， and participating in recreational activities. Comparing with female medical staff， male medical staff had a lower level of resilience.

ConclusionGovernment should speed up to establish the scientific performance appraisal and salary distribution system， and to guide the society to form a good atmosphere in caring for medical staff. Hospitals should promote the construction of health hospitals， and strengthen the construction of health archives. Individuals should have a healthy lifestyle and actively participate in physical examination and training that can improve mental health.