Psoriasis is psoriasis, there is no evidence that ear bleeding treatment is effective, psoriasis treatment has topical drug therapy, systemic therapy, physical therapy. 1. Topical drug treatment: 0.025%~0.1% of vitamin A acid ointment, 0.05% of tazarotene gel, anthralin ointment, betamethasone urea ointment and so on. 2. Systemic therapy: immune agents such as cyclosporine A and methotrexate can be used to treat erythrodermic, pustular and arthritic psoriasis. Nowadays, biological agents can also be used. 3. Physical therapy: such as photochemotherapy. When psoriasis occurs, you should go to regular hospitals in time and take appropriate treatment under professional guidance.