Various embodiments of the present invention relate to an apparatus and a method for displaying an electronic document for processing a user's voice command in an electronic device. The electronic device includes an input device; a display; and a processor, wherein the processor may be configured to detect a voice command of a user using the input device, if outputting an electronic document corresponding to the voice command, identify at least one input field in the electronic document, determine guide information based on information of the at least one input field, and display the electronic document comprising the guide information using the display. Other embodiments may be possible.