A method comprising: detecting face regions of a first person and a second person in a plurality of consecutively photographed images; displaying one of the plurality of consecutively photographed images on a screen and providing a shape around a detected face image, the shape indicating a face region for the first person displayed in the displayed photographed image on the screen; in response to a user selection of the face region of the first person, displaying two or more face images of the first person in a first region of the screen, wherein the two or more face images correspond to the face region of the first person detected in the plurality of consecutively photographed images; in response to a user selection of a specific face image of the two or more face images of the first person, displaying the selection of the specific face image from among the two or more face images in a second region of the screen; displaying a facial expression icon adjacent to the second region, wherein the facial expression icon is acquired by recognizing an expression of a specific face image of the first person displayed through the second region and acquiring the facial expression icon based thereon, wherein the facial expression icon is displayed at a position on a circumference around the second region, wherein the position on the circumference at which the facial expression icon is displayed is determined dependent on an order of the specific face image displayed through the second region among all the detected face images of the first person; and displaying an indicator that the specific face image is selected from the face images of the first person displayed in the first region; and in response to a user selection of the specific face image as the face image to be used to form a synthesized image, displaying the synthesized image using the specific face image as a face of the first person, wherein the synthesized image comprises a combination of the specific face image and a base image. detecting face regions of a first person and a second person in a plurality of consecutively photographed images; displaying one of the plurality of consecutively photographed images on a screen and providing a shape around a detected face image, the shape indicating a face region for the first person displayed in the displayed photographed image on the screen; in response to a user selection of the face region of the first person, displaying two or more face images of the first person in a first region of the screen, wherein the two or more face images correspond to the face region of the first person detected in the plurality of consecutively photographed images; in response to a user selection of a specific face image of the two or more face images of the first person, displaying the selection of the specific face image from among the two or more face images in a second region of the screen; displaying a facial expression icon adjacent to the second region, wherein the facial expression icon is acquired by recognizing an expression of a specific face image of the first person displayed through the second region and acquiring the facial expression icon based thereon, wherein the facial expression icon is displayed at a position on a circumference around the second region, wherein the position on the circumference at which the facial expression icon is displayed is determined dependent on an order of the specific face image displayed through the second region among all the detected face images of the first person; and displaying an indicator that the specific face image is selected from the face images of the first person displayed in the first region; and in response to a user selection of the specific face image as the face image to be used to form a synthesized image, displaying the synthesized image using the specific face image as a face of the first person, wherein the synthesized image comprises a combination of the specific face image and a base image.