A method for operating capturing by an electronic device is provided. The method includes capturing a screen displayed on a display, extracting at least one region and/or block region from the captured screen, determining whether a command to modify the captured screen has been received, when it is determined that a command to modify the captured screen has been received, determining whether there is a region of interest (ROI) in the captured screen, based on the extracted at least one region and/or block region, and when the ROI exists, displaying a user interface for suggesting the region of interest.