Diagnose Meniere and sudden deafness clinically mainly from the following aspects. 1, the symptoms are not the same, sudden deafness is mainly manifested as patients in a short period of time in the ear hearing loss is more obvious, can be accompanied by a sense of ear stuffiness, tinnitus and other related changes. Some patients with severe deafness can also be accompanied by the performance of vertigo, but vertigo is persistent vertigo, generally do not relieve, Meniere clinically manifested as episodes of vertigo, fluctuating tinnitus, hearing loss, stuffy feeling and so on changes in the patients after the seizure of the hearing may be restored to normal, tinnitus may be able to alleviate the feeling of ear stuffiness may be mitigated. The duration of the vertigo attack is from 20 minutes to several hours. 2, clinical examination, sudden deafness of the patient for pure tone audiometry, shows that hearing nerve deafness, hearing loss is more obvious, Meniere’s patients, if the early attack, the hearing loss is not much, with low-frequency decline. If the history of the disease is prolonged, the patient may also experience high-frequency hearing loss. There is a difference between the diagnosis of Meniere and sudden deafness. Meniere requires at least two episodes and excludes vertigo that occurs with other central disorders, while sudden deafness is judged mainly on the basis of medical history and audiometry.