There are several clinical conditions in which hearing is not possible due to ear infection: i. Otitis externa. Atresia of the external ear canal due to swelling caused by inflammation can affect hearing. At this time, anti-inflammatory and anti-infective treatment, and do not enter water and are not allowed to dig the ear again. When the swelling disappears, hearing can be restored. Second, cerumen embolism. If the outer ear canal is blocked, cerumen can be removed with a cerumen hook and hearing can be restored. Third, if the tympanic membrane is perforated, otitis media, mastoiditis, etc., the first thing is anti-inflammatory treatment, and when hearing is restored, it can be restored. However, some of them, such as tympanic membrane perforation, affect hearing loss, it is better to perform tympanic membrane repair.