Objective: To evaluate the rational application of inhalant drugs in the treatment of pediatric bronchopneumonia in Songjiang District Central Hospital by using children drug utilization index (cDUI). Methods: A retrospective study was utilized to analyze the data of 1

493 hospitalized children discharged from Pediatrics Department in Songjiang District Central Hospital from 2018 to 2021

and the cDUI values of inhaled budesonide suspension or terbutaline sulfate atomized solution were extracted and calculated. Results: The cDUI of budesonide suspension for inhalation was 2. 79

and that of terbutaline sulfate atomized solution was 0. 25 in > 20 kg group

and 0. 50 in ⩽ 20 kg group respectively. Conclusion: There are a lot unreasonable phenomena in the application of inhaled budesonide suspension and terbutaline sulfate aerosol in the evaluation of bronchopneumonia by cDUI. The problems mainly concentrate on the dosage

frequency of use and indications

which needs attention in clinical application.