Abstract: Objective: To report and analyze clinical nursing adverse events based on internet technology. Methods: The nursing report system with comprehensive functions, including report, check, analysis and dictionary management was developed based on factor analysis. Nurses and managers could report and analyze falls, burns, falling out of bed, unexpected extubation,pressure ulcers and nursing quality defects. Results: A total of 542 events were reported in the nursing report system from Jan 2013 to Dec 2014, and managers analyzed these events to make system improvement. Conclusion: The nursing report system had optimized function and run well. It was helpful to promote the improvement of nursing quality and the establishment of safety culture. The classifications of clinical nursing adverse events need improvement in the future.