Tinnitus can be caused by ear diseases (e.g. otitis media, acoustic neuroma, etc.), vascular diseases (e.g. dilatation of small blood vessels in the ear, jugular vein bulboma, etc.), and systemic diseases (e.g. diabetes mellitus, cerebral blood supply insufficiency, etc.). 1. Ear diseases: such as cerumen impaction, acute and chronic otitis media, tympanic membrane perforation, otosclerosis, Meniere’s disease, acoustic neuroma, etc. can cause tinnitus. 2. Vascular diseases: such as dilatation of small blood vessels in the ear, jugular vein bulboma and other vascular diseases can also cause tinnitus, tinnitus is mostly a cacophony or consistent with the pulse beat. 3. Systemic diseases: lack of cerebral blood supply, hypertension, anemia, diabetes, etc. can also appear tinnitus. If tinnitus occurs, please go to the hospital to clarify the cause of the disease and then targeted medication and treatment.