Objective To explore the improvement method of the information system of nursing hierarchy management and to examine its application effects. Methods A group was established for the improvement of nursing hierarchy management information system. The system contains hierarachy declaration module,management-assessment module,and three-level management of nurse manager-department nurse manager-nursing department director. Sheets in the system was structured,which is connected with the hospital nursing management system and used in the whole hospital. The average time of nursing hierarchy management,the satisfaction of nurses and managers on the information system were compared before and after the implementation of the improved information system. Results The average hierarchy managing time of nurses decreased from（475.38±39.62）s to（303.69±32.87）s after implementing the improved nursing hierarchical management information system. The average hierarchy managing time of managers decreased from（578.58±55.52）s to（399.00±41.63）s. The satisfaction of nurses and managers on the improved information system both increased（P<0.05）. Conclusion The improvement of the nursing hierarchy management information system can improve the efficiency of nursing staff hierarchy management effectively,and increase the satisfaction of nursing staff.