Peking Union Medical College Hospital has carried out the practical exploration of a new system of medical risk prevention and control based on the integration of medical and law, broken the traditional practice of legal counsel only handling medical disputes after the event, explored the pre-management and control mode of medical risks. The hospital established a whole process medical risk management mode in which legal counsel, medical administrators and clinical medical staff cooperated and participated, further standardized the medical behavior, legal concept and legal practice awareness of medical personnel, realized standardized management and formed a long-term mechanism. It could not only effectively integrate the fragmented clinical legal service needs and extensively enhance the sense of occupational security of clinical medical staff, but also effectively improve the operation quality of medical safety indicators and promote the high-quality development of the hospital.