The treatment of ANCA-associated vasculitis mainly includes drug therapy and other auxiliary therapy. 1. Drug therapy: the commonly used drugs in the drug therapy of ANCA-associated vasculitis include glucocorticoids, immunosuppressants, targeted drugs, etc. Glucocorticoids include methylprednisolone, dexamethasone, etc., immunosuppressants include cyclophosphamide, azathioprine, leflunomide, etc., and targeted drugs include rituximab. 2. Other adjuvant treatments: Intravenous immunoglobulin, plasma exchange, and nutritional supplementation can be given to patients with more severe ANCA-related vasculitis. It is recommended that patients diagnosed with ANCA-associated vasculitis go to the rheumatology and immunology department of regular hospitals for timely consultation.