Glucocorticoid is a steroid hormone secreted by human body. The main pharmacological effects are: 1. A certain amount of glucocorticoids can inhibit capillary dilation, reduce exudation and edema, and can play an anti-inflammatory role; 2. A large amount of corticosteroids will destroy lymphocytes in the body, reduce the number of lymphocytes, inhibit the body’s immune system, and make the human body’s resistance decrease; 3. Long-term use of a large amount of glucocorticoids can stimulate the bone marrow hematopoietic system, so that the number of red blood cells, hemoglobin, and platelets will increase, Glucocorticoids can stimulate the bone marrow hematopoietic system and increase the number of red blood cells, hemoglobin and platelets, and also increase the number of white blood cells but inhibit the anti-inflammatory function of white blood cells; 4. Long-term use of glucocorticoids can stimulate the gastrointestinal tract and cause excessive secretion of gastric acid, which can induce or aggravate gastric ulcers; 5.