Prednisolone belongs to the glucocorticoid, which is widely used in the clinic, and the time of taking it ranges from a few days to several years, depending on different diseases. 1. Prednisolone belongs to the glucocorticoid hormone, glucocorticoid hormone has anti-inflammatory, anti-allergic, anti-shock, immunosuppression and other effects. 2. Glucocorticosteroids are widely used in connective tissue diseases, renal diseases, allergic diseases, skin diseases and so on. 3. Glucocorticosteroids are generally available in a large number of short-course therapies, short-term therapies, long-term therapies and alternative therapies. Different courses of treatment should be chosen according to different diseases. 4. Long-term use of glucocorticosteroids should not be stopped suddenly, but should be tapered off gradually. Sudden discontinuation of glucocorticosteroids may lead to severe adrenal crisis, which is life-threatening. If you are using prednisolone for your disease, you should go to the specialist of your disease in a regular hospital and consider the duration of use under the guidance of your doctor, and gradually reduce the use of prednisolone, rather than stopping the drug on your own.