A mobile terminal system including at least two mobile terminals and a method for controlling the same are disclosed. The mobile terminal system may include a first mobile terminal configured to include a first transparent display unit and a sensing unit, and a second mobile terminal configured to include a second transparent display unit, wherein the second mobile terminal is capable of performing wireless communication with the first mobile terminal, wherein the sensing unit may sense overlapping and spacing apart between the first transparent display unit and the second transparent display unit, and wherein at least a portion of information being displayed on the second transparent display unit may vary with respect to an overlapping level and a distance between the first transparent display unit and the second transparent display unit, the overlapping level and distance being sensed by the sensing unit.