Cosentyx, or Skuclizumab Injection, is generally more effective when injected in the lower and middle abdomen (five centimeters above the umbilical circumference) and is easy to administer, in addition to being injected in the upper and middle thighs, and requires disinfection, good skin condition at the site of the injection, and a different choice of site for each injection. Skuticosimab Injection is a biological agent that selectively binds the cytokine IL-17A and inhibits receptor interactions, and can be used for the treatment of plaque psoriasis and ankylosing spondylitis. Skuticosimab Injection needs to be stored with attention to refrigeration, it needs to be placed in an environment of 2~8 ℃, and it should not be shaken after it is taken out, it is normally a colorless and transparent liquid, and it needs to be observed for 10~30 minutes before use. The common adverse reactions of Skuticizumab Injection are diarrhea, nasopharyngitis, urticaria signs. It is contraindicated for those who are allergic to the components of the drug. The use of the drug should be carried out under the supervision of a doctor.