An electronic device is provided The electronic device includes an input unit configured to receive a selection on an object theme including at least one object from a user, an information collection unit configured to collect information corresponding to the object theme, a storage unit configured to divide the collected information into variable information or invariable information and store the information, and a display unit, when new variable information is collected according to a user instruction for reselecting the object theme, configured to add an object to an image by using the stored information and the new variable information and display the image.