A cochlear implant (CI) is one of the best devices that helps people with hearing loss. Generally, the CI process requires time and investment, so it is important to achieve the desired results. Verbal ability is one of the important outcomes of CI and auditory rehabilitation is the last step and it necessary for make a result. Most of the time, verbal ability is delayed and this causes frustration in families. Having reliable tools for monitoring changes in the auditory system is beneficial. The evaluation of auditory performance not only in the peripheral but also in the central auditory system can be used for track of auditory rehabilitation results. Complex items such as words and syllables are better than simple items such as pure tones for assessing the auditory system. Therefore, it seems that use of the electrophysiological tools such as speech ABR can be valuable in monitoring auditory rehabilitation in CI recipients even in children who cannot provide subjective responses.