A mobile terminal and controlling method thereof are disclosed, by which a handwritten object outputted via the mobile terminal can be set to be shared with an external terminal. The present invention includes a wireless communication unit configured to perform a communication with an external terminal, a touchscreen configured to receive a 1st touch input of a 1st desired trace, and a controller, if the 1st touch input is applied in a 1st handwriting input mode, controlling a 1st handwritten object drawn along the 1st desired trace to be simultaneously displayed via the touchscreen and the external terminal, the controller, if the 1st touch input is applied in a 2nd handwriting input mode, controlling the 1st handwritten object to be displayed on the touchscreen only.