A dzi bead identification method and device based on image pyramid gradient histogram features. Adopt the portable image acquisition equipment with network function to collect dzi bead image, extract the pyramid gradient histogram feature of dzi bead image rectangular area, the dzi template library based on the pyramid gradient histogram feature establishment of dzi bead image, calculate described extracted dzi bead The Chamfer distance between the pyramid gradient histogram feature in the image rectangular area and the real dzi feature collected and stored in the template library is used for dzi identity authentication. Overcome the challenges of dzi bead identification under different lighting environments, different resolutions and shooting at any angle. In the case of loss of local features of dzi bead images, robust results can still be obtained, which is universal and robust, and can Automatically, efficiently, objectively and accurately identify dzi bead, providing a simple, accurate and intelligent dzi bead identification platform for dzi bead lovers and collectors.