Objective To observe the curative effect of Budesonide combined with Chuankezhi injection on bronchial asthma. Methods 104 patients with bronchial asthma diagnosed in 2006~2008 were randomly selected and divided into 2 groups. 52 cases in the treatment group were treated with Chuankezhi injection on the basis of Budesonide, while 52 cases in the control group were treated with Budesonide. Then improvement of symptom and correlative indexes were ovserved before and after treatments.Results The total effective rate in the treatment group was 90.40% versus 69.2% in the control group, and the difference was significant (P0.05).Conclusion In comparison with routine treatment,Budesonide combined with Chuankezhi injection has a better effect on bronchial asthma as a supplementary therapy of glucocorticoid.