Psoriasis is commonly known as psoriasis. The red spots appearing may not be able to subside completely, but the symptoms can be controlled by general treatment, medication (, physical therapy, etc.). 1. General treatment: for psoriasis, after the appearance of erythema, usually accompanied by obvious itching symptoms, you need to pay attention to bathing diligently, and diligently use petroleum jelly and other moisturizing creams to increase skin hydration and reduce irritation. 2. Medication: Tazarotene cream, calcipotriol ointment, pimecrolimus ointment, tacrolimus ointment and other medications can be applied to the erythematous areas. If necessary, use cyclosporine, avitamin A, methotrexate, sulfasalazine and other drugs for systematic treatment. 3. Physical therapy: If necessary, physical therapy to relieve symptoms, commonly used physical therapy methods for narrow-spectrum UVB, excimer laser therapy, photochemotherapy and so on. It is recommended that patients go to the dermatology department of regular hospitals in time, strictly follow the doctor’s instructions for the appropriate treatment, and not randomly listen to prescriptions.