Objective: To explore the effect of using Quality Control Circle(QCC) management tool in reducing patients' discharging time. Methods: With the principle of PDCA circulation, we set up a QCC group and established the activity themed as reducing patients' discharge time. Then we invested the current situations and analyzed the reasons. Finally, we set several goals and took some countermeasures. Results: After implementing the QCC activity, patients' discharging time decreased from 204.38±14.44 min to 99.66±...