Tinnitus is generally understood as ringing in the ears, i.e., buzzing in the ears, and is also a symptomatic manifestation of many diseases, such as insufficient blood supply to the internal auditory artery, cerebral insufficiency, hypertension, diabetes mellitus, and central phantom hearing, etc., which should be promptly consulted to find out the cause of the disease. Tinnitus is generally a manifestation of buzzing in the ears. Tinnitus has many causes, often caused by insufficient blood supply to the internal auditory artery, insufficient blood supply to the brain, hypertension, diabetes mellitus, and centralized phantom hearing. In addition to this, cerebral arteriovenous fistulas, i.e. cerebrovascular arteriovenous fistulas, can also present with tinnitus, which manifests itself as a louder, throbbing tinnitus that requires a doctor’s visit. There may also be a functional aspect to the tinnitus, which is mostly caused by mental factors such as stress. Recurring, serious tinnitus symptoms should be timely to the regular hospital, a doctor to clarify the cause of the disease, give targeted treatment. If it is not detected in time, there is a risk of sudden stroke and other dangerous diseases, which seriously threaten the patient’s life and health and quality of life.