1. A method for identifying facial features, for executed by an electronic equipment, the method comprising: receiving video data of a plurality of face images and to obtain a real-time background image from the video data by a video tracing technique during a process for displaying the plurality of face images; calculating a video data difference between a current face image and the real-time background image; setting an iteration number according to the video data difference; obtaining facial feature coordinates of a previous face image, the previous one of the current face image, serving as initial facial feature coordinates; and obtaining current facial feature coordinates of the current image, wherein an iterative calculation is conducted according to the iteration number to localize the facial features of the current image based on the initial facial feature coordinates.