An electronic apparatus for controlling a touch screen is provided. The electronic apparatus includes a touch screen for sensing a signal generated by an electronic pen and displaying an image, and at least one processor configured to, in response to an object displayed on the touch screen being selected based on a first signal generated by the electronic pen, control the touch screen to obtain a search result for the selected object and provide the search result, and in response to the object displayed on the touch screen being selected based on a second signal generated by the electronic pen, control the touch screen to display a user interface (UI) for preforming a function related to the selected object.