Henoch-Schonlein purpura is a common IgA mediated systemic vasculitis disease in children.In the traditional Chinese medicine，it belongs to the category of “blood syndrome”.Professor WANG Junhong has rich clinical experience of treating Henoch-Schonlein purpura.She Professor WANG Junhong seizes the key to the pathogenesis，treats Henoch-Schonlein purpura according to syndrome differentiation，and has rich clinical experience，In terms of syndrome differentiation，Professor WANG emphasized syndrome differentiation of deficiency and excess，lightness and seriousness according to the clinical characteristics and course of the disease and the combination of syndrome differentiation and disease differentiation.She proposes the view of treating Henoch-Schonlein purpura from the spleen，and she prefers using the drugs to clear the heat of lung and pharynx,as well as protecting the digestive system.The method of promoting blood circulation and removing blood stasis should be performed throughout the whole process of the treatment.Thus Great curative effects have been made.