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In this paper, we proposed a stereo face recognition approach to facilitate some applications such as access control. Because this algorithm is closer to the human eye recognition principle, it can obtain a lot of spatial information, which a 2-D image cannot provide. In this system, ARM Xscale PXA270 processor is used as the core unit to capture stereo images and, with the help of identification analysis, obtain features of them. Compared with the traditional method, the experiment shows, this one has a high recognition rate and a reasonable recognition time. Moreover, the design has the advantage of lower costs and good prospects.