Mobile terminal and controlling method thereof

A mobile terminal (100) and controlling method thereof are disclosed, by which various functions can be provided using a cover (200) having an opening (210) formed therein. The present invention includes a cover (200) having an opening (210) formed therein, a touchscreen (151), a sensing unit (140) configured to detect whether the cover (200) is open or closed, and a controller (180). If a memo mode is executed when detecting that the cover (200) is in a closed state through the sensing unit (140), receiving an input of a memo applied with a pointer to an exposed region of the touchscreen (151) exposed through the opening (210) is possible, and the controller (180), if detecting that that the cover (200) is open through the sensing unit (140), controlling the inputted memo to be displayed on the touchscreen (151).