Objective To decrease broken appointment rate of day surgery by conducting quality control circle (QCC) activities, in order to make full use of quality resources. Methods All the patients who made an appointment in the day surgery units in Xiangya Hospital of Central South University between July and September 2015 were chosen as the research subjects. By counting the number of patients who broke the appointment, we analyzed the broken appointment rate. In October 2015, we established a QCC management team to deal with the phenomenon of high broken appointment rate, and set up a theme of " decreasing broken appointment rate of day surgery”. Related regulations were implemented and procedures were optimized. In December 2015, we compared the broken appointment rates before and after the implementation of QCC activities among all 1 879 patients. Results After the implementation of QCC activities, the day surgery broken appointment rate decreased from 17.16% to 6.06%, and the target achievement rate was 122.65%. Conclusion QCC activities can effectively reduce day surgery broken appointment rate.