Psoriasis belongs to the category of “white mange” in Chinese medicine. Chinese medicine according to different identification, can be treated by drugs. For example, blood-heat syndrome can be treated by adding or subtracting Rhinoceros Jiao Di Huang Tang; blood deficiency and wind dryness syndrome can be treated by adding or subtracting Angelica Drink. 1. Blood-heat internal impregnation evidence: the rash is mostly dot-drop, rapid development, bright red color, layers of scales, itching is intense, scraping off the scales a little bit of bleeding; accompanied by dry mouth and tongue, sore throat, irritability, dry ulcers and redness; the tongue texture is red, the moss is thin and yellow, and the pulse is stringy and slippery or number, etc.. You can take rhinoceros horn dihuang soup plus reduction. 2. Blood deficiency and wind dryness: the disease is long, the rash is patchy, light red, scales are reduced, dry and cracked, conscious itching; accompanied by dryness of the mouth and throat; the tongue is light red, moss is little, and the pulse is thin. You can take angelica drink plus subtractions. 3. Qi and blood stagnation syndrome: repeated lesions that do not heal, with plaque-like rash, thick scales and dark red color; purple tongue with petechiae and ecchymosis, and astringent or slow pulse. You can take Taohong Siwu Tang plus reduction. 4. Dampness and toxicity accumulation syndrome: lesions mostly occur in the armpits, groin and other folded parts, erythematous vesicles with oozing, sticky and thick scabs, itching is intense, or manifested as palmar-plantar erythema, pustules, desquamation; or accompanied by joint pain and swelling; tongue is red, moss is yellow and greasy, and pulse is slippery. You can take castor seed and dampness seepage soup plus reduction. Avoid spicy stimulation, greasy food during the period of taking. In addition, its adverse effects are not clear, need to be taken under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.