Psoriasis is a common chronic skin disease, also known as psoriasis, and biologics for psoriasis can cost anywhere from hundreds to thousands of dollars for a single injection. Biopharmaceuticals are generally more expensive than regular medications, but they are more effective than regular medications in treating the disease. The price of biopharmaceuticals is mainly related to the disease and the type of drug injected, and is also divided into injectable and oral types, the price can not be generalized. The price fluctuates greatly because of the different materials and dosages of biopharmaceuticals injected in a single session. Psoriasis patients need to go to regular hospitals for treatment in time once the disease flares up, and use medication under the guidance of doctors to avoid exacerbation of the disease.