On November 9, Professor Zheng Yiqing of Sun Yat-sen Memorial Hospital of Sun Yat-sen University performed bilateral cochlear implants on a 14-month-old baby at the same time. Since our first cochlear implant surgery in 1999, more than 1,500 cases have been successfully implanted. Since the first bilateral cochlear implant surgery in 2005, more than 100 cochlear implants have been successfully implanted bilaterally in children and adults at the same time. Intraoperative tests of cochlear function and auditory nerve response were good, and the rehabilitation effect of this bilateral implant is expected to be good. According to Prof. Zheng Yiqing, Sun Yat-sen Memorial Hospital of Sun Yat-sen University has helped more than 1,500 hearing impaired patients (mainly children) return to the world of sound and mainstream society since cochlear implant surgery was carried out in 1999. The main features of our deafness diagnosis and treatment are early intervention and minimally invasive implantation. The golden period for children’s language development is from 0 to 3 years old. If a child can get a cochlear implant before the age of 1, his or her language development can keep pace with that of a hearing child, so that he or she can get better hearing and maintain natural language development. Prof. Zheng said that many of our children who have surgery before the age of 1 have excellent rehabilitation results, and they can communicate naturally and speak basically as well as hearing children, which is the great advantage of early intervention for deaf children. In terms of treatment, Sun Yat-sen Memorial Hospital of Sun Yat-sen University places great emphasis on minimally invasive implantation. The surgeries all adopt small incisions and less damaging round window implantation to protect residual hearing as much as possible, to protect the microscopic structure of the cochlea, and to reserve space for enjoying future technologies. Nowadays, science is developing rapidly, and in the future, stem cell therapy and the invention of new drugs, etc. may make deafness treatment a reality. Therefore, by having less damage to the surgery now, we can reserve room for the application of new technology for the patient’s future treatment. In terms of bilateral cochlear implants, which are of great concern to everyone, Professor Cheng also emphasized the benefits that bilateral implants bring to patients. As we all know, all hearing people have binaural hearing, and the auditory center (auditory cortex) is located in the temporal gyrus of the left and right hemispheres of the brain, with the left ear hearing mainly transmitted to the right hemisphere and the right ear hearing mainly transmitted to the left hemisphere. Unilateral implantation can only restore hearing in one ear. After long-term use of monaural hearing after unilateral implantation, patients will lose the auditory function of the contralateral ear, and the function of their auditory nerve and center will gradually deteriorate. Therefore, it is recommended that parents with high hearing requirements must pay attention to bilateral implantation and help their children to restore binaural hearing as early as possible. Research has proven that children with bilateral hearing outperform children with unilateral hearing in terms of hearing and speech, in addition to having significant advantages in social, psychological, emotional, and success patterns. Data show that more than 35% of children with unilateral implants, repeat at least one year of school. more than 60% of children, need additional assistance in learning. In addition, the lack of sound stimulation on one side of the brain and the uneven development of the left and right brain means that the overall intelligence level of this population is poorer than that of children with bilateral hearing. The resulting social-psychological-emotional impairments and differences in patterns of success cannot be ignored. Therefore, for families with a high orientation and demand for child development, timely bilateral implantation will have a definite benefit on the overall development of the child.