The reason for always having cicadas in the ears is considered to be related to neurogenic tinnitus. This refers to the subjective appearance of abnormal sounds in the ear as well as in the head, such as buzzing, cicadas, whistling, etc., in the absence of the presence of an external sound source stimulus. The main causes include sensorineural tinnitus, peripheral nervous tinnitus, and central nervous tinnitus. 1. Sensorineural tinnitus: The use of ototoxic drugs, noise and aging, etc., ear diseases such as Meniere’s disease, otosclerosis, cochlear membrane labyrinthine effusion and some hereditary diseases, etc., may cause cochlear structural and functional anomalies, so the patient will appear in the ear always have the symptom of cicadas sound, accompanied by hearing loss. 2. Peripheral neurogenic tinnitus: Auditory neuropathy is the main cause, which can cause nerve fiber degeneration, resulting in abnormal function, which is more common with acoustic neuroma, so it will cause the patient to have the symptom of cicadas in the ear all the time. 3. Central nervous tinnitus: mainly refers to the lesions occurred in the brainstem, auditory cortex and nerve fiber, such as infection, tumor, blood supply abnormality and so on, which will cause tinnitus symptoms. When the patient has the symptom of cicadas in the ear, he should go to the ENT department of the hospital as soon as possible, and cooperate with the doctor to improve the relevant examination, and then do the targeted treatment and therapy.