The invention relates to an automatic pathological specimen recognizer. The automatic pathological specimen recognizer comprises a pedestal, a linear guide rail pair, a linear moving platform, a pathological specimen embedding box, a stand, a tag data collection device, a control circuit, a power supply and a microcomputer, wherein the linear guide rail pair is mounted on the pedestal; the linear moving platform is located on the linear guide rail pair, and is driven by a drive mechanism to move back and forth on the linear guide rail pair; the pathological specimen embedding box is arranged on the linear moving platform; the tag data collection device is mounted on the stand, located on the linear guide rail pair, and used for collecting code identification information of the pathological specimen embedding box; and a paraffin removal device for removing paraffin covering the code identification surface of the pathological specimen embedding box is arranged above the linear guide rail pair. The automatic pathological specimen recognizer provided by the invention has high automation degree, and can improve pathological specimen preparation efficiency and management efficiency of hospitals.