Psoriasis biological system can be played in the morning or afternoon, does not affect the therapeutic effect of the drug. The cause of psoriasis is still unclear, it may be a skin disease caused by a combination of genetics and environment, which manifests itself as reddish patches of skin covered with thick layers of silvery-white scales, often accompanied by obvious itching. Most of the psoriasis biological system is given by injection, which is suitable for patients with moderate or severe psoriasis who are ineffective in treatment with traditional therapies or have poor tolerance. There is no question of whether it is better to take a shot in the morning or in the afternoon during the injection period, and there is no obvious difference between the two, neither of which will affect the therapeutic effect of the drug. If psoriasis is diagnosed, it is recommended that standardized treatment be carried out as early as possible to reduce the adverse effects of the disease.