The causes of sudden deafness, tinnitus are as follows: 1, sudden noise or long in the noise environment; 2, macrolides or aminoglycosides and other ototoxic drugs damage to the auditory nerve; 3, vestibular cochlea lymphatic reflux obstruction, the inner ear of the inner ear of the edema and other inner ear pathology leads to; 3, long-term anxiety and depression, and other emotional reasons caused by elevated blood pressure, aggravation of arteriosclerosis caused by tinnitus; 4, hypertension, diabetes mellitus caused by vascular neuropathy, resulting in the inner ear poor blood flow caused by tinnitus.