Tinnitus, is a kind of sound that is still subjectively felt in the absence of external acoustic and electrical stimulation conditions. The causes of tinnitus are particularly varied: blood pressure, diabetes, cervical spine can cause tinnitus. Tinnitus is mainly caused by diseases of the ear, such as diseases of the outer ear, otitis externa, cerumen embolism, and foreign bodies in the outer ear. Acute and chronic inflammation of the middle ear, tympanic membrane perforation, otosclerosis, Meniere’s disease of the inner ear, and acoustic neuroma can indirectly cause tinnitus. Patients with tinnitus should go to the hospital for a detailed examination, try to find out the cause of tinnitus, and take special treatment for the cause and symptomatic treatment. Of course, there are also patients with mental illnesses that cause phantom hearing and tinnitus, which should go to the psychiatry department to find the cause.