People with hearing impairment are of all ages and genders. Hearing disorders are often caused by diseases, accompanied by tinnitus, hearing defects and other symptoms. The types of diseases that induce auditory disorders are various and have different clinical manifestations. In order to cure the symptoms of auditory disorder in time, patients can clarify the symptoms of auditory disorder based on the history of auditory disorder, signs and symptoms and the results of examination and laboratory tests. After a clear diagnosis, it is important to distinguish it from other similar diseases. To avoid aggravation of the condition. Differential diagnosis of auditory impairment: 1, acoustic neuroma Adults are common, patients with slow onset, progressive hearing loss, hearing impairment, no deafness phenomenon; there are often other symptoms of brain nerve damage. 2.Brainstem lesions Vascular and tumor lesions of brainstem, vertigo symptoms persist, often with nystagmus, hearing loss and other neurological signs. 3, cochlear nerve drug toxicity damage Mostly seen in children with hearing impairment, causing cochlear nerve damage to more drugs, but the degree and location of various drugs for cochlear nerve damage are not the same, some favor cochlea, some favor vestibule, or both.