Objective To reduce the occurrence of nursing adverse events in emergency first aid and improve the safety of nursing.Methods To set up the quality control (QC) team,root cause analysis (RCA) method was applied to analyze the occurrence of nursing adverse events in emergency first aid in our department from December 2008 to December 2011.Measures were produced by identifying the reasons of the proximal and the root cause.Lots of measures had been taken,such as revising the nursing working process and regime,changing the work schedule,strengthening education of nurses risk consciousness and the communication ability,paying attention to the details of daily nursing work management.Results In December 2012,nursing adverse events in our hospital was reduced from 9.81％ to 2.75％ in 2011.Conclusions The key point to reduce nursing adverse events in emergency first aid is to perfect nursing working process and regime,improve the ability to solve emergency first aid events and nursing crisis consciousness training,practice flexible working schedule and attach importance to the detail management.