A method for transmitting an image and an electronic device thereof are provided. An image transmission method of an electronic device includes displaying a message transmission/reception history with at least one other electronic device, sensing a selection of a camera execution menu, displaying a preview screen of a camera within a screen in which the message transmission/reception history is displayed, detecting a touch on the displayed preview screen, if the displayed preview screen is touched, capturing an image of a subject, detecting a gesture for the captured image, and, if the gesture for the captured image is detected, transmitting the captured image to the at least one other electronic device according to the detected gesture.