Pigmented purpura skin disease needs dermoscopy or skin CT examination before treatment to make a clear diagnosis, if the diagnosis is clear, it can be treated by Chinese medicine and western medicine. In Chinese medicine, oral Chinese medicine can be taken, most of the Chinese medicine ingredients are raw earth charcoal, double flower charcoal, Xianhecao, licorice, comfrey, cyperus and other astringent drugs to stop bleeding, and also through fresh Amaranthus, Phellodendron, Qinpi decoction of water cold wet compress twice a day for 20 minutes. In the western medicine treatment, you can take oral compound glycyrrhizin capsules and chlorpheniramine maleate tablets in an anti-allergic, anti-itch way to treat, and can be combined with glucocorticoid ointment, such as hydrocortisone butyrate ointment, dinaide ointment topical application.