Psoriasis is medically referred to as psoriasis, and psoriasis typically takes four to eight weeks using biologics such as etanercept, infliximab, and adalimumab. Psoriasis is an environmentally stimulated, polygenic, genetically controlled, immune-mediated skin disease that typically manifests as scaly erythema or plaques. There is no cure, and injectable biologics have a better therapeutic effect on psoriasis, which usually takes four to eight weeks to be effective. Most biologics are given by injection and are usually effective in four to eight weeks. They are used for patients with moderate to severe psoriasis who have not responded to or tolerated traditional therapies, as well as those with psoriatic arthritis. If injections of biologics are needed to treat psoriasis, patients are advised to go to the hospital, consult the doctor in detail, and standardize the use of medication under the doctor’s guidance.