Abstract: A device and a method of setting an input detection region of a user interface displayed on a display of an electronic device are provided. The electronic device displays user interfaces in a first region, receives user input through the display from the outside of the first region, checks whether the user input was provided by a finger or electronic pen, determines whether the user input is in a second region, which is adjacent to the first region and surrounds the first region, when the user input was provided by a finger, determines whether the user input is in a third region, which is adjacent to the first region, surrounds the first region, and is positioned inside the second region, when the user input was provided by an electronic pen, and enables the application to use the user input, as if the user input was provided in the first region.