Prednisone belongs to the glucocorticosteroid hormone, the role and use of prednisone is commonly divided into the following: 1, anti-inflammatory effects: the main role of anti-inflammatory effects, prednisone can inhibit the release of cytokines from inflammatory cells, inhibit the formation of prostaglandins, inhibit the release of histamine and the release of cytokines from mast cells, but also inhibit fibroblastic tissue proliferation; 2, immune-suppressing effects: prednisone has an immune-suppressing effect, it can inhibit the Macrophage phagocytosis and all kinds of functions, can inhibit the function of inflammatory cells and cytokine release, can treat all kinds of autoimmune diseases. Therefore, prednisone is mainly used for the treatment of various allergic diseases, connective tissue disease, acute inflammation and scar tissue hyperplasia. Prednisone is more widely used in the clinic, but while treating the disease, it is also necessary to pay attention to the adverse reactions of prednisone. Patients with different diseases, doctors give reasonable treatment under the premise of weighing the therapeutic effects and adverse reactions.