Weighted topsis method is applied to evaluate the key factors in medical management of diabetes mellitus.The key factors are admission examinations,drug selection,patient serf-management skills,nursing quality,and physicians'capability.

The paper described the specific measures and results of postoperative complications reporting system, including reporting coverage, methods, deadline, data management, supervision and feedback. In addition, it introduced results of the practice and the positive impact on quality of care and safety management. Based on these, the authors proposed further improvements of the system for the purposes of constant improvement of care and higher medical safety.