Abstract: Objective To evaluate the application situation and development tendency of the second class psychotropic drugs in our hospital and provide references for the drug management and rational drug use. Methods Using the daily dose limit recommended by the World Health Organization(WHO) as the indicator, to retrospectively analyze the application of the second class psychotropic drugs. Results The annual sales and drug use frequency of benzodiazepine and barbiturate psychotropic drugs are rising year by year, with higher use frequency of Clonazepam, Alprazolam and Estazolam. As a representative of the new generation non-benzodiazepine drugs, Zaleplon has been used in a decreased tendency. Conclusion The application structure of the second class psychotropic drugs is stable, and the clinical use of them is basically reasonable. Benzodiazepine drugs have the dominant position in the clinical use.

Key words: psychotropic drugs, DDDs, DDC, application analysis