An electronic device is provided. The electronic device includes a memory and at least one processor. The at least one processor may be configured to determine at least one image including a first face corresponding to a designated face, among one or more images stored in the memory, obtain first values of a plurality of attributes related to the first face, compare, for each attribute, the first values of the plurality of attributes related to the first face with second values of a plurality of attributes corresponding to graphic objects constituting an avatar, the graphic objects being stored in the memory, identify whether at least one first attribute exists among the plurality of attributes related to the first face, the at least one first attribute having a first value among the first values, a difference between the first value and a second value of the at least one first attribute being equal to or greater than a threshold, the second value being included the second values, and based on identifying that at least one first attribute exists among the plurality of attributes related to the first face, update the avatar, based on the first value of the at least one first attribute.