Abstract: A mobile terminal and controlling method thereof are disclosed, by which a 3D or stereoscopic image can be generated to considerably relive an observer from visual fatigue. The present invention includes a first camera and a second camera configured to take a 3D image, a display unit displaying an image taken by at least one of the first and second cameras, and a controller controlling the first camera, the second camera and the display unit, wherein the controller sets a plurality of divisional sections on a left eye image taken by the first camera and a right eye image taken by the second camera and then generates the 3D image based on a depth value of each of a plurality of the divisional sections.