In clinical trials, drugs for improving microcirculation are used to treat psoriasis, and the effect is remarkable. Propolis is a good microcirculation improver, and it also has good functions of sterilization, anti-inflammation, detoxification and itching relief. When treating psoriasis with propolis, it is generally applied to the affected area with salicylic acid propolis solution at the same time of internal treatment, which can relieve itching in a short time, and can be recovered by insisting on treatment.