Mobile terminal and controlling method thereof

A mobile terminal and controlling method thereof are disclosed, by which object information on an object within a 2-dimensional (hereinafter abbreviated 2D) preview image can be provided as 3D object information of a 3-dimensional (hereinafter abbreviated 3D) type or object information on an object within a 3D preview image can be provided as object information of a 3D type. The present invention includes displaying a preview image via at least one camera on a screen of a touchscreen, recognizing a current position of the mobile terminal, searching for an object information on at least one object within the preview image based on the recognized current position, displaying the found object information within the preview image, and converting and displaying a touched specific point to a 3-dimensional (hereinafter abbreviated 3D) shape if the specific point within the preview image is touched. Accordingly, the present invention converts a preview image for augmented reality to a 2D or 3D image and also converts information on an object within the preview image to a 2D or 3D image, thereby providing a user with various images in the augmented reality.