Abstract: A mobile terminal and controlling method thereof are disclosed. The present disclosure includes a transparent display unit having a front side and a rear side, the transparent display unit configured to display information on each of the front side and the rear side, and a controller configured to determine which one of the front side and the rear side faces toward a user based on at least one state of the mobile terminal and to control the information to be displayed on the transparent display unit according to a result of the determination. Accordingly, an information display of a transparent display unit is controlled depending on a result from determining whether one of front and rear sides of the transparent display unit faces toward a user based on at least one state of the mobile terminal.