Methylprednisolone injection is a hormone drug, methylprednisolone injection, also known as methylprednisolone, methylprednisone, has anti-inflammatory, anti-allergic, immunosuppressive effects, and can be used in acute and severe patients with infection, anti-inflammatory, anti-shock, as well as adjust the role of endocrine system abnormalities. It is widely used clinically in systemic lupus erythematosus, rheumatoid rheumatic diseases, allergic rhinitis, bronchial asthma and other diseases, and can be injected intra-articularly in orthopedics to treat osteoarthritis. It is a glucocorticoid, and complications such as hyperglycemia, hypertension, osteoporosis and femoral head necrosis may occur after use.