Objective To observe the therapeutic effect of Suhuan g Zhike Capsule [c apsule of Zisuye（Folium Perillae） and Mahuang（Herba Ephedrae） for cough] for c hildren’s cough variant asthma（CVA）.Methods Sixty two children（6 to 14 years old） with CVA were randomized into treatment group and control group with 31 cases in each.The treatment group was given Montelukast Sodium tablet and Suhuang Zhike Caps ule.The control group was given Montelukast Sodium tablet and starch capsule.The treatment co urse lasted for 14 days.The total effective rates and the relief rates of single symptom such as cough

pharyngeal itching

rapid breathing and expectoration were observed in both grou ps after the treatment.Results The total effective rate of the treatment group and the control group was 90.00% and 64.52% respectively.The differences between gr oups were statistically significant（P<0.05）.The relief rates of single sy mptom in the treatment group were superior to those in the control group（P<0.05）.Conclusion Suhuang Zhike Capsule is effective for children’s CVA and could be appl ied as a clinical medicine.