An electronic device and a method of the electronic device is provided. The electronic device includes a touch screen display that displays a user interface, a force sensor that detects a pressure with which an external object touches the touch screen display, a wireless communication circuit, and a processor that controls the touch screen display to display the user interface, receives, from at least one of the force sensor and the wireless communication circuit, data representing that the external object is pressing a portion of the user interface with a pressure greater than or equal to a selected pressure, receives a handwriting input through the touch screen display, and displays the handwriting input on the user interface on the touch screen display.