Cicada tinnitus is mostly considered to be neurological tinnitus, which can be categorized into sensorineural tinnitus, peripheral neurological tinnitus, central neurological tinnitus and so on. 1. Sensorineural tinnitus: the most common neurological tinnitus, usually caused by senile deafness, ototoxic drug hearing loss, noise hearing loss, delayed membranous labyrinthine effusion, etc., so the patient will appear cicatrization tinnitus symptoms. 2. Peripheral neurogenic tinnitus: cicatricial tinnitus may be related to the degeneration of nerve fibers caused by fiber-to-fiber interactions or nerve fiber degeneration, more commonly known as acoustic neuroma lesions. 3. central nervous tinnitus: brain and central nervous system lesions caused by tinnitus, such as the labyrinth or auditory nerve surgery after tinnitus. Can also be due to the tension state as the promotion, tumor, vascular anomalies, local inflammation, multiple sclerosis, etc., can cause cicatricial tinnitus. There are many causes of cicatricial tinnitus, patients should go to the hospital in time to do relevant examinations, clear causes, reasonable treatment under the guidance of the doctor.