An electronic apparatus, a method for authorizing multimedia content thereof, and a non-transitory computer-readable recording medium storing therein a program to execute the method are provided. The method for generating multimedia content of the electronic apparatus includes displaying a page screen of electronic book content comprising text and video, receiving a user command to generate a multimedia object in synchronization with the video, and displaying a multimedia object generating window which is movable and size-adjustable within the page screen, and generating the multimedia object in synchronization with the video in response to the user command through the multimedia object generating window and storing the multimedia object in synchronization with the video. As a result, the user is able to author electronic book content comprising interactive multimedia therein.