Remove the lesion, restore or partially restore the lost hearing, and try to preserve and use the residual hearing. (1) Middle ear disease: It can be treated by conservative and surgical treatment. (2) Medication: Within six months after the onset of deafness, medication such as improving inner ear microcirculation and hair cell nutrition should be taken, but if it is ineffective, it should be abandoned. (3) Hearing aids: By far the most practical and effective means of treatment and rehabilitation for partial sensorineural deafness or conductive deafness that has lost the opportunity of drug and surgical treatment. (4) Cochlear implant: For patients with profound deafness who have not responded to hearing aids