Abstract:Objective：Use failure mode and effect analysis（FMEA）to improve the emergency transfer process for critically ill patients. Methods：950 transferred patients from the emergency room from June to December 2018 were included in the control group，and 1 066 transferred patients from January to June 2019 were included in the observation group. The control group adopted the empirical transfer method. The observation group used FMEA analysis to find out the possibleinvalid modes of the transfer process，calculated the risk index to determine the priority improvement links，and implemented the optimization plan. The transit time，adverse event rate and patient satisfaction were compared between the two groups. Results：The incidence of adverse events in the observation group was 5.35%，which was lower than 22.63% in the control group，and the difference was statistically significant（P < 0.001）；the average transit time in the observation group was 19.68±4.20 min，which was lower than the control group by 33.43±6.81 min，and the difference was statistically significant Academic significance（P < 0.05）；the satisfaction of patients in the observation group and the satisfaction of receiving departments are higher than those in the control group（P < 0.01）. Conclusion：The improvement of the transfer process based on FMEA can reduce the transfer risk of critically ill patients in emergency department and improve transfer safety.