OBJECTIVE: To investigate the application effects of PDCA cycle management on improving the proportion of selected drugs used in centralized drug procurement by national organizations.METHODS: PDCA cycle management was applied to investigate the application status of selected drugs

identify problems

find causes

set intervention targets and measures

and increase the proportion of selected drugs.Statistical analysis was conducted on application of selected drugs in Peking University Hospital of Stomatology hereinafter referred to as "our hospital")before implementation of PDCA cycle management（ 2018） and after implementation of PDCA cycle management（ 2019）

the effectiveness of interventions were evaluated and the interventions were standardized.RESULTS: After implementation of PDCA cycle management

the application of selected drugs in our hospital showed the linear upward trend

and the application amount of selected drugs（ tablets and pieces） increased from 8.28%（ 12 476/150 642） in 2018 to 59.76%（ 101 909/170 532） in 2019.In 2019

the application amount of selected drugs accounted for 218.91%（ 101 909/46 553） of the tasks assigned by the superiors

which exceeded the assigned tasks in a stable and orderly manner and reached the expected intervention target.CONCLUSIONS: PDCA cycle management has effectively increased the proportion of selected drugs in centralized drug procurement by national organizations

which is worthy of popularization.