Magnetic resonance plain examination of the internal auditory canal is of great value in the detection of the alignment and variations of the auditory and facial nerves as well as the discovery of related subtle tumors and abnormal changes in the anatomy of the internal auditory canal. Auditory neuromas of about 5 mm in size, which are common in clinical practice, can only be detected by magnetic resonance examination. Other important factors include whether there are abnormal changes in the anatomical structure of the internal auditory canal; whether there are variations in the course of the auditory and facial nerves; whether there is inflammation in the cochlea, vestibule, and semicircular canals; whether there is fluid in the inner ear; whether there is water in the inner ear, for which MRI has the function of water imaging, which can clearly show the fluid in the inner ear labyrinth; and whether there is small occupancy, and so on. It is recommended to go to a regular hospital for examination, and you can’t bring all kinds of metal objects when doing MRI of the inner auditory canal. Magnetic resonance internal auditory canal scanning is a non-destructive examination, the human body is basically no radiation damage, but the examination of the machine noise may be larger, this is a normal phenomenon, do not need to be too alarmed.