Vasculitis can not be cured at present, hospitalization is mainly to alleviate the condition and improve the prognosis, in the acute stage of the disease usually need to be hospitalized for observation and treatment, usually need to be hospitalized for 7~10 days, but for severe patients hospitalization time even need about one month time. Vasculitis is a kind of inflammation and destruction of blood vessels as the main pathological changes of a disease, which may be monogenic, or may be the manifestation of other diseases, such as systemic lupus erythematosus, rheumatoid arthritis and so on. When patients with vasculitis are in the acute active phase, it is often necessary to apply high-dose glucocorticoids such as prednisone and other treatments, which require hospitalization for observation and close attention to the efficacy of the drugs and adverse reactions, and usually take 7 to 10 days; if the patients are in critical condition, they may need to be transfused with immunoglobulin and other treatments, and the hospitalization time will be prolonged correspondingly, and even up to one month. The treatment of vasculitis is a long process, should maintain a good attitude, we recommend that the patient timely consultation, follow the doctor’s instructions standardized treatment.