In this paper, the authors are to develop a computer system that can recognize a person by comparing the individuals. As such they know reliable automatic face recognition has become a realistic target of biometrics research. In this paper, they introduce a method for face recognition that is (PCA) Principal Component Analysis. It is easy and not costly as compare to other, like iris scan or finger print scan. In PCA they only required 2-D frontal image of the person whose face to be recognize.