Psoriasis, also known as psoriasis, cannot be completely cured, but it can be controlled through treatment to minimize recurrence. It mainly includes traditional medication, physical therapy, and biological agent therapy. 1. Traditional medication: Topical medication for psoriasis treatment includes vitamin D3 derivatives, such as calcipotriol, and glucocorticoids, such as dianabed and halometasone cream; in addition to calcium-modulated phosphatase inhibitors, such as tacrolimus ointment and pimecrolimus cream. If necessary, oral medication can also be taken, including methotrexate, cyclosporine and so on. 2. Physical therapy: the more commonly used is narrow-spectrum UVB, this method can be used in combination with drugs, phototherapy is suitable for moderate to severe psoriasis or generalized plaque psoriasis. 3. Biological agent treatment: the principle of biological agent is to block the key inflammatory factors in the development of psoriasis in a targeted manner, but the price is relatively high, and it may increase the risk of infection, and the more commonly used ones are infliximab, adalimumab and so on. Suffering from psoriasis should be under the guidance of the doctor, choose the appropriate treatment, usually pay attention to keep the skin clean and moist, avoid dry skin.