An identification method and an apparatus utilizing the method are disclosed. The disclosed method comprises capturing a first examining image at a first direction, performing a face detection process on the first examining image to identify a first face image in the first examining image, detecting a number of straight lines which are within a detecting image block of the first examining image but outside the first face image, comparing the number of straight lines with a quantity threshold to obtain a first judgment value, and judging if the first face image pass an examination at least according to the first judgment value.