Various embodiments of the present invention relate to an electronic device capable of generating a virtual image by using a user input, and an operating method therefor. The electronic device according to various embodiments of the present invention comprises a communication module and a processor, wherein the processor can be set so as to: receive an input through the electronic device or an external device functionally connected through the communication module; check situation information related to the input, wherein the situation information includes time information and object information; search for at least one image, corresponding to the situation information, among one or more images stored in the electronic device or the external device; provide the found at least one image when the at least one image corresponding to the situation information is found; generating an image corresponding to situation information by using at least one other image, corresponding to a part of the situation information, among the one or more images, when the at least one image corresponding to the situation information is not found; and provide the generated image.