Patient: Hello, my child was diagnosed with extremely severe deafness around 1 year old, what is the treatment for it? Yin Shankai, Department of Otolaryngology, Shanghai Sixth People’s Hospital: 1. Has the child had a history of infection or application of ototoxic drugs? Are there any other diseases? 2. Is the abnormal response to sound sudden, or is it a gradual decline? 3. Has the child been examined for hearing function, vestibular function, CT, MRI, etc., to clarify whether there are abnormalities in the vestibular canal, cochlea, and auditory nerve? The treatment for sensorineural deafness includes medication, hearing aids, cochlear implants and auditory speech training, etc., which varies according to the child’s examination results and the family’s request.