1. A makeup supporting method, the method comprising: collecting personal image data for a user from a built-in camera on a device, wherein the personal image data is collected in real time; generating a makeup guide content by applying personal image rules to the personal image data, wherein the personal image rules have been generated from a set of images of the user stored on the device, and wherein the personal image rules are stored on the device in a personal image classification table that maps between personal image classifications and personal image rules; and displaying the makeup guide content on a screen of the device, wherein the makeup guide content contains text displayed on a screen of the device or a voice output by a speaker of the device, and wherein at least one featured element is extracted from the personal image data of the user that is collected in real time.