Under normal circumstances, the hearing of the left and right ears is the same, usually above 25 decibels, responsible for feeling the external sound, a small number of people will have a slight difference between the hearing of the left and right ears, often related to often make one side of the phone listening to headphones or one side of the occurrence of sensorineural deafness. Therefore, when you find that the hearing in both ears is not the same, you need to go to the hospital in time to perform electroaudiometry, otoacoustic emission and other tests to determine the degree of hearing loss in one or both ears, such as mild neurological deafness, you need to avoid contact with the side wearing headphones or receiving cell phones for a long time, such as hearing loss is more obvious, you need to improve the inner ear blood supply and neurotrophic treatment, so this situation represents one side of the cochlea function is impaired or one side of the middle ear mastoid inflammation occurs.