The paper expounded the etiological factors and pathogenesis of ordinary psoriasis,and introuced that external therapy of Chinese herbs mainly use slurry,posteriorly use tinct,oils,linim and solution.

• 阐述了寻常型银屑病的中医病因病机。介绍了中药外用治疗,主要以膏剂为主,酊剂、油剂、擦剂和溶液次之。