Touch screen device and electronic device using the same

The present invention relates to a touchscreen device capable of preventing a typo on a touch keypad and an electronic device including the touchscreen device. The touchscreen device of the present invention includes: a display unit which includes outputs a touch keypad area including a touch keypad; a touchscreen which receives a touch input; and a control unit which controls the display unit to output an enlarged keypad of a predetermined shape made by enlarging a touch area of a first touch upon detecting the first touch in the touch keypad area. The first touch is a floating touch or a hovering touch.