The author analyzed the effect and summarized the experience of Professor Wang Shouchuan on treating 134 cases of children asthma. The treatment was valid in all the cases. Professor Wang pointed that asthma must be treated through dispelling wind and removing phlegm, attacking evil and treating lung in attack stage, and was skilled in using classical prescriptions and liked to use ephedra to treat asthma with good effectiveness. Meantime professor Wang emphasized that children asthma should be treated on three stages based on syndrome differentiation, which includes attack stage, chronic delayed stage and remission stage. And asthma must be treated with removing heat from lung and relieving asthma to suppress the symptom in attack stage, and strengthening body resistance and eliminating evil in chronic delayed stage, and supplementing Qi, Yang, Yin of Lung, Spleen, Kidney to consolidate vital base.