Methylprednisolone can usually be used for up to 7 days. Methylprednisolone is anti-inflammatory, anti-allergic, immunosuppressive and other preferred drugs, the therapeutic effect is good and fast. However, Methylprednisolone is a glucocorticoid drug with many side effects, such as infection, high blood pressure, high blood sugar, gastric bleeding, peptic ulcers, menstrual disorders, psychiatric symptoms, etc., and it can also inhibit the growth of children. Therefore, it should not be used for a long time and in large doses, and can be used for a maximum of 7 days. Methylprednisolone is contraindicated in patients with severe infections, diabetes mellitus that is difficult to control, hypertension, gastrointestinal bleeding in the active stage, psychiatric patients, patients with severe cardiac insufficiency, and patients with grand mal seizures. When treating diseases with Methylprednisolone, it is recommended to standardize the use of medication under the guidance of a professional doctor, avoiding long-term or high-dose use, so as not to cause serious side effects.