A method of controlling a mobile terminal, the method comprising: obtaining, via a camera of the mobile terminal, an image of a user; playing a video on a display unit of the mobile terminal; determining, via a control unit of the mobile terminal, if the user is viewing the video being played by determining whether the user is gazing at the video being played based on the obtained image of the user; storing, in a memory associated with the mobile terminal, video viewing information indicating when the user is viewing the video being played and when the user is not viewing the video being played for a specific playback section in an entire playback section of the video being played; receiving an input requesting the video viewing information be displayed; and displaying the video viewing information as a progressive bar (220; 223) on the display unit, wherein the video is divided into a first section corresponding to a section of the video not played by a user, a second section corresponding to a section of the video when the user is viewing the video being played, and a third section corresponding to a section of the video when the user is not viewing the video being played, wherein the method further comprises: receiving an input for a playback setting time of the video; performing a playback setting on the video based on the input for the playback setting time and the video viewing information; and displaying the performed playback setting contents on the displayed video viewing information, wherein performing the playback setting on the video comprises setting a playback speed of the second section faster than 1x speed and setting a playback speed of the first section and a playback speed of the third section to 1x speed when the playback setting time is shorter than a total playback time of the video when the video is played at 1x speed. obtaining, via a camera of the mobile terminal, an image of a user; playing a video on a display unit of the mobile terminal; determining, via a control unit of the mobile terminal, if the user is viewing the video being played by determining whether the user is gazing at the video being played based on the obtained image of the user; storing, in a memory associated with the mobile terminal, video viewing information indicating when the user is viewing the video being played and when the user is not viewing the video being played for a specific playback section in an entire playback section of the video being played; receiving an input requesting the video viewing information be displayed; and displaying the video viewing information as a progressive bar (220; 223) on the display unit, wherein the video is divided into a first section corresponding to a section of the video not played by a user, a second section corresponding to a section of the video when the user is viewing the video being played, and a third section corresponding to a section of the video when the user is not viewing the video being played, wherein the method further comprises: receiving an input for a playback setting time of the video; performing a playback setting on the video based on the input for the playback setting time and the video viewing information; and displaying the performed playback setting contents on the displayed video viewing information, wherein performing the playback setting on the video comprises setting a playback speed of the second section faster than 1x speed and setting a playback speed of the first section and a playback speed of the third section to 1x speed when the playback setting time is shorter than a total playback time of the video when the video is played at 1x speed. receiving an input for a playback setting time of the video; performing a playback setting on the video based on the input for the playback setting time and the video viewing information; and displaying the performed playback setting contents on the displayed video viewing information, wherein performing the playback setting on the video comprises setting a playback speed of the second section faster than 1x speed and setting a playback speed of the first section and a playback speed of the third section to 1x speed when the playback setting time is shorter than a total playback time of the video when the video is played at 1x speed.