A mobile terminal and controlling method thereof are disclosed, by a user's reading history for the e-book content can be outputted through the progress bar. The present invention includes a display unit configured to display an e-book content and a controller, if a preset user input is received while a prescribed page of the e-book content is displayed, controlling a progress bar indicating a position of the prescribed page in a total amount of the e-book content to be outputted, the controller controlling a user's reading history for the e-book content to be outputted through the progress bar.