Device for displaying content and operation method therefor

Various embodiments of the present invention relate to a device for displaying content and an operation method therefor. An electronic device of the present invention comprises a display device, at least one processor, and a memory coupled to the processor, wherein, the memory may store instructions that, when executed, cause the processor to obtain at least one deformed image corresponding to a viewpoint change on the basis of an image contained in content in response to detection of a thumbnail generation event for the content, map the obtained at least one deformed image to a three-dimensional object, obtain at least one partial image comprising at least a portion of the image mapped to the three-dimensional object, generate thumbnail content comprising the obtained at least one partial image, and control the display device to display the thumbnail content. Other embodiments may be possible.