Objective: To evaluate the surgical results, the results of rehabilitation after listening to cochlear implantation in the national ENT hospital. Subjects and Methods: Methods are described by case intervene. 28 children under 6 year did were diagnosed with profound hearing loss ears were two cochlear implants at national ENT hospital from 1/2014 to 6/2015. Results: The length of stay 7 days 100 percent mainly, electrodes placed in the cochlea completely occupied 100 percent, 100 percent electrode operating possible after surgery. Early complications: chorda tympani nerve injured 3.57 percent
transient facial paralysis: 0 percent Dizziness: 17.8 percent
fluid under the skin: 0 percent. Late complications: Allergies magnets: 7.14 percent, 0 percent skin flap infections. Group A: 24 patients with cochlear implants 6 months, 100 percent patients achieved 25-30 dB threshold, negative findings are 6 links, 85,5 percent to reach the level of 6.7 CAP form, 12,5 percent to reach the level of 5 CAP form. Group B: 4 cochlear implant patients 6 months: Gain 40-45 dB threshold 3 times after mapping.