Erythrodermic psoriasis refers to erythrodermic psoriasis. Biologics can generally cure erythrodermic psoriasis. Common biological agents include drugs such as etanercept and adalimumab, etc. There are many advantages of using biological agents to treat erythrodermic psoriasis, which has the effect of targeted therapy and can help patients to quickly clear the phenomenon of skin lesions. Biological agents for the treatment of red-type psoriasis is effective, with relatively few side effects, and can also help patients inhibit the development of red-type psoriasis, which can play a very good auxiliary role. However, patients should not overly rely on biological agents, long-term use will make the patient’s body immunity is lowered, easy to cause other diseases. If you have red psoriasis, it is recommended to go to the hospital in a timely manner, follow the doctor’s instructions to use medication, do not self-medication.