Abstract: Objective: To develop nursing adverse events' reporting content of hospital. Methods: The study included two phases. The first phase was to develop the category and definition of nursing adverse events that need reported through expert meeting. The second phase was to develop every nursing adverse event's reporting content by using the Delphi technique. Totally eight experts attended the meeting and fifteen experts conducted two rounds of consultation letter. Results: Nursing adverse events that need reported of hospital include pressure sore, fall/falling from bed, unplanned extubation, medication error and accident. Reporting content of these events in details had also been obtained. Conclusion: The reporting content of the nursing adverse event of hospital is established, and it is a basis for further study of the development of nursing adverse event reporting and feedback system.