OBJECTIVE:To investigate the application status of national essential drugs in Peking University Hospital of Stomatology（hereinafter referred to as"our hospital"）

so as to provide reference for carrying out national essential drug system.METHODS:Based on 2018 Edition of National Essential Drugs Catalogue

the sales data of national essential drugs in our hospital from 2017 to 2019 were statistically analyzed.RESULTS:From 2017 to 2019

the number of national essential drugs in our hospital accounted for 47.46%（168/354）

47.87%（180/376） and45.68%（169/370） of the total drugs

and the consumption sum of national essential drugs accounted for 28.23%（7.911 7 million yuan/28.027 8 million yuan）

29.96%（8.889 4 million yuan/29.667 1 million yuan） and28.28%（8.780 7 million yuan/31.045 9 million yuan） of the total drugs.In the past 3 years

among the national essential drugs in our hospital

9 kinds of drugs ranked among the top 10 in terms of consumption sum

and there was no great fluctuation.CONCLUSIONS:The application of national essential drugs in our hospital is relatively stable

and the proportion of categories and consumption sum of national essential drugs is relatively high.Rational drug application management can increase the application proportion of national essential drugs.