Systemic, musculoskeletal, cutaneous, neurologic, respiratory and other symptoms are associated with vasculitis. 1. Systemic symptoms: Fever, low or high. Fatigue, which is not relieved by rest. Weight loss, loss of appetite, etc. 2. Musculoskeletal symptoms: Pain and swelling of joints and muscles. 3. Skin symptoms: bruises and purple ecchymosis under the skin and mucous membranes, and in severe cases, ulcers. 4. Nervous system symptoms: headache, abnormal sensation in limbs, loss of vision, etc. 5. Respiratory symptoms: coughing up sputum, hemoptysis. 6. Other symptoms: patients with vasculitis may have chest tightness, shortness of breath, hematuria, foamy urine, abdominal pain, diarrhea and other symptoms. If the above symptoms occur, it is recommended to go to the rheumatology and immunology department of regular hospitals in time, and standardize the treatment under the guidance of doctors.