An electronic device is provided. The electronic device includes a flexible display including a first display area and a second display area that is transparent, a camera module including a first camera module and a second camera module, and at least one processor, wherein the at least one processor may be configured to execute a camera module application in a first state in which the second display area covers the first camera module, and when properties of a first transparent region are changed by adjusting an electrical signal with respect to the first transparent region of the second display area which abuts the first camera module, display an image received from the first camera module on a second transparent region of the first display area or a second transparent region of the second display area by reflecting the changed properties of the first transparent region for the image.