Psoriasis is an immune-mediated chronic recurrent inflammatory skin disease, and the treatment can be based on the evidence of the disease by choosing Chinese herbal medicine for oral administration. Clinically more commonly used herbal medicines, such as anti-inflammatory tablets, anti-silver granules or Danqing capsules, Yujin Yindu tablets, etc., have the effect of clearing heat and detoxifying, cooling blood and dispelling wind. The effect of Chinese medicine is relatively slow, usually about half a month to 1 month gradually effective, may need to be taken orally for 2-3 months or more. It can also be combined with western medicine, such as Avi A capsules or compound glycyrrhizin tablets, and topical hormone creams or vitamin D3 derivatives, such as carboplatin, can be used topically.