Objective To analyze the cause of defect wrist band information,to formulate the corresponding intervention measures for improvement.Methods We checked the wrist band information of inpatients admitted for a month,found out the cause of defects and implemented the intervention measure.The accurate rate of wrist band information was examined one month later.Results One month before the implementation of the interventions,the number of defects in patients with wrist band information was 116,system satisfaction of patients was 88.2％,after the improvement for wrist strap error,the number of defects in patients with wrist band information was only 7,system satisfaction increased to 99.3％,the difference had statistical significance (P ＜ 0.01).Conclusion The correct wrist band information,after implementation of various measures,can ensure the medical staff would initiatively and effectively check and recognize the identification of patients during the whole progress of diagnostic and nursing treatment,guaranteeing patients medical safety,avoiding the occurrence of identification error accidents,increasing the patients trust to medical staff,which is in favour of harmonious doctor-patient relationship development.