Objective To study the effect of quality ciecle on improving nurses application ablitiy in operating monitors. Methods Quality circle group was established in the department of general surgery and the circulation of plan-do-check-action was used in the groups for continuous quality control of ECG monitor application.The satisfaction of nurses with ECG monitor management and consuming time of ECG monitor installation were compared between pre-and post-enforcement of quality control circulation. Results After use of quality control circulation,the nurses were more satisfied with the maintenance of ECG monitoring and they knew better about their right storage and disposition and where the monitors were(all P<0.001).Conclusion The quality circle may effectively regulate ECG monitor management,improve applying proficiency of nurses and effectively improve work efficiency,so it is worth clinically applying.