Disclosed is an electronic device including a camera, a display, a sensor, one or more processor, and memory storing instructions which, when collectively or individually executed by the one or more processors, cause the electronic device to display an avatar corresponding to an external object included in one or more images acquired using the camera through the display, identify a change in a position of the external object relative to the electronic device through at least one of the camera and the sensor, determine a viewpoint related to the displayed avatar based on the change in the position, and display the avatar based on the determined viewpoint, through the display.