A mobile terminal and controlling method thereof are disclosed, which facilitates a terminal to be used in further consideration of user's convenience. The present invention includes a touchscreen, a memory, and a controller outputting a play screen of a video to the touchscreen, the controller, if receiving a touch drag input to the outputted plays screen of the video, activating a memo function of saving a touch path of the touch drag input as a writing memo, the controller recording the outputted play screen of the video while the memo function is activated. Accordingly, while a mobile terminal plays a video, a user interface for enabling a user to input a memo more quickly and conveniently can be provided advantageously.