Introduce the experience of Professor Wang Lining from the aspect of Pathogenic basis of asthma to discuss the TCM medication Features of Pediatric Asthma prevention and treatment. The children with asthma should be divided into three period sequential therapy. In an asthma attack lay stress on warm the lung、 reduce phlegm and relieving asthma； Chronic persistent period， select and use The spleen-qi 、 reduce phlegm and nourishing yin mainly of soup； In an asthma stable period， lay stress on emphasize nourishing yin、 tonifying kidney and reduce phlegm； Discreet selection have the promote and upward traditional Chinese medicine when the in Asthma prevention and treatment.