Tinnitus patients with no obvious abnormality in brain CT may be cerebral blood supply insufficiency, otolithiasis, Meniere’s syndrome, etc. 1. Insufficient cerebral blood supply: when there is cervical spondylosis and vascular stenosis, it cannot be clearly diagnosed only by cranial CT, so it is necessary to further improve the cervical spine CT or MRI, as well as transcranial Doppler and cranial CTA, etc. Drugs to improve the blood supply, such as cervical fukang capsule, nourishing blood and clearing the brain granules, lampblossom tablets and so on, and surgical treatment if necessary. 2. Otolithiasis: also known as benign paroxysmal positional vertigo, which can be induced by tinnitus with dizziness, nausea, vomiting and other symptoms when there is a change of body position, and needs to be repositioned and treated with medication, which can be chosen from betahistine mesylate, flunarizine and other medications. It is recommended to improve the examination, and follow the doctor’s prescription medication.