According to a mobile terminal disclosed in the present invention includes a memory for storing an e-book content, a wireless communication unit for transmitting the e-book content to an external server, a display unit for outputting the e-book content, and a controller configured to cause the wireless communication unit to transmit at least partial content of the e-book to at least the external server or the second terminal, cause the display to display a first notification notifying that the e-book or the at least partial content of the e-book is activated in the second terminal, cause the display to display content of the e-book in response to an input received in response to the displayed notification, and cause output or display of at least an image, an audio, or a text received from the second terminal in which the e-book is activated via the audio output unit or the display.