Temporal arteritis is a type of systemic vasculitis in rheumatology and immunology, mainly involving the temporal artery, and the most common clinical symptoms are fever, headache, and jaw movement disorders, and some patients may also suffer from vision loss or even permanent blindness. Temporal arteritis must go to the rheumatology and immunology department for relevant examination, early diagnosis and systematic treatment of the condition will be well controlled. At present, the common treatment for temporal arteritis is glucocorticoid combined with immunosuppressant. The clinical symptoms of this disease are not particularly typical, and it is easy to be misdiagnosed or missed, so it is very important and necessary to go to a professional rheumatology and immunology department.