Psoriasis belongs to the category of “white mange disease” in Chinese medicine. Dermatosis Blood Toxicity Pill can treat psoriasis. Dermatosis Blood Toxicity Pill is composed of Cimicifuga, Peach Kernel, Angelica Sinensis, Thornybush, White Fresh Peel, Honeysuckle and so on, which has the effect of clearing the blood and detoxifying the toxin, subduing the swelling and relieving the itching. It can be clinically used for the treatment of rubella, eczema, itchy skin, freckle and acne, sores, swelling and poison, dizziness caused by meridian disharmony, dampness, heat and blood dryness. The adverse effects of the drug are not clear, but it is contraindicated in pregnant women. In addition, the drug should be discontinued during colds. In conclusion, Dermatosis Blood Toxicity Pill can treat psoriasis. Psoriasis patients, it is recommended to go to a regular hospital, under the guidance of professional physicians to identify the evidence of treatment.