A method and an electronic device for composing an image are provided. An electronic device includes a display configured to display an image of a user photographed by a camera; an input component configured to receive a user input; a communicator configured to facilitate a communication with an external server; and a processor configured to display the image of the user on the display, set an avatar region within the image of the user based on the received user input, generate an avatar to be displayed on the avatar region, and control the display to combine the avatar with the image of the user and to display the resulting composite image.