The treatment of psoriasis should be based on evidence, you can choose different prescriptions according to different types of evidence, such as gentian diarrhea liver soup, angelica drink, elimination of wind dispersal and so on. Psoriasis is a Chinese medicine disease, a chronic itchy skin disease in which the skin is like the skin of a cow, thick and firm. The lesions of psoriasis are usually round or polygonal flat papules fused into pieces, and the lesions will be thickened and deepened after scratching, forming moss-like changes, and the patients usually have paroxysmal itching. 1. Liver depression and fire (liver qi is impassable leading to the production of fire and heat): the rash is reddish in color, accompanied by irritability, insomnia, dizziness, palpitation (rapid heartbeat, often accompanied by panic), bitter mouth and dry throat, etc. The patient can be treated with Longdian Diarrhea Liver Tang. This evidence can be used gentian diarrhea liver soup combined with Dan gardenia free dispersal treatment. 2.wind-dampness skin evidence: the rash is dark red or light brown flaky, rough and thick, itchy when doing, especially at night. This evidence can be used to eliminate the wind dispersal treatment. 3. Blood deficiency and wind dryness: the skin lesions are pale or white, like withered wood, thick and rough like cowhide, accompanied by palpitations and anxiety (heartbeat, panic), insomnia and forgetfulness, and women’s menstrual disorders. This syndrome can be treated with Angelica sinensis drink. The above Chinese medicine prescription needs to be diagnosed and treated by a professional doctor, so you should consult a doctor immediately when there is any discomfort, and should not use the medicine on your own.