To study the therapeutic effect of Xiaoer Feire Kechuan Granules combined with routine western medicine treatment on postoperative pneumonia in children after repair of ventricular septal defect.Methods:From August 2016 to August 2018,60 children with pneumonia from 3 to 5 days to 1 month after repair of ventricular septal defect(VSD)in Qingdao Women and Children's Hospital were divided into an observation group and a control group with 30 cases in each group according to random number table method.The control group was treated with routine drugs and symptomatic support treatment,while the observation group was treated with Xiaoer Feire Kechuan Granules combined with routine drugs and symptomatic support treatment.After 2 weeks,the clinical efficacy of the 2 groups was compared and analyzed.Results:The total effective rate of the control group and the treatment group were 93.3% and 96.7%.The main clinical therapeutic indexes-time of fever,cough,and rale disappearance time and recovery rate of the patients were significantly better than those of the control group(P<0.05).Conclusion:Xiaoer Feire Kechuan Granules combined with routine western medicine treatment has better therapeutic effect on pneumonia after repair of ventricular septal defect.It is superior to routine western medicine in improving the condition,relieving symptoms and shortening the course of treatment,and plays a positive role in rehabilitation after operation.