Psoriasis is psoriasis, a disease that cannot be cured on its own. Psoriasis is a kind of chronic scaly skin disease caused by the interaction of environment, heredity, immune abnormality and other factors, usually manifested as erythema and plaque with scales, which develops chronically and is prone to recurrence. Psoriasis has more treatment means, and it can be treated by topical treatment, systemic treatment and physical treatment, but the disease does not have self-curing. Psoriasis is affected by ultraviolet light, and most people with psoriasis experience seasonal flare-ups or exacerbations during the winter months and remissions during the summer months. With the development of psoriasis, the disease may involve the whole body, causing serious impact on the patient, so when psoriasis is diagnosed, it is necessary to take timely and active treatment measures to alleviate the development of the disease, and to achieve the goal of curing as soon as possible.