At present, the specific mechanism of tinnitus is still unknown, can be due to non-disease factors such as sleep deprivation, but also may be caused by ear diseases such as otitis media, Meniere’s disease, in addition to extra-auricular diseases such as diabetes mellitus, cerebral blood supply insufficiency and so on can also cause tinnitus. 1. Non-disease factors: such as lack of sleep, emotional stress, overwork, etc. can occur tinnitus. 2. Ear diseases: tinnitus can occur in many ear diseases, such as ear canal cerumen, foreign body obstruction, infectious diseases in the ear, such as otitis externa, otitis media, labyrinthitis, Meniere’s disease, eustachian tube obstruction, otosclerosis, intra-auricular tumors, such as tympanic bulbous tumors, small blood vessel dilatation in the ear, and medication-based ear damage. 3. Diseases outside the ear: diabetes mellitus, cerebral blood supply insufficiency, hypertension, anemia and so on. If long-term tinnitus, you need to go to the ENT department of the hospital, early diagnosis and early intervention, so as not to miss the condition.