Unilateral neurogenic tinnitus, the cause of its formation can be divided into central nervous, peripheral nervous and sensorineural tinnitus, according to its classification of the formation of different mechanisms. 1. Central nervous tinnitus: such as intracranial tumors, vascular anomalies or inflammation and other lesions, when the cochlear nucleus of the auditory center, afferent nerve fibers and efferent nerve fibers, can cause tinnitus symptoms. 2. Peripheral neural tinnitus: tinnitus caused by auditory neuropathy, mostly caused by acoustic neuroma. 3. Sensorineural tinnitus: tinnitus caused by lesions in the cochlea, such as cochlear degeneration, such as senile deafness; environmental factors, such as noise hearing loss; drug factors, such as streptomycin, gentamicin and other ototoxic drugs caused by hearing loss; ear diseases, such as Meniere’s disease, otosclerosis caused. When neurogenic tinnitus occurs, it is recommended to consult a doctor in time to clarify the tinnitus site, cause and severity, etc. for reasonable treatment.