The invention provides a sheet accurate positioning and identification device, and relates to improvement of a sheet automatic positioning device. The device is a device that can directly know a positioning result and ensure accurate positioning of a sheet. The device is arranged on a workbench, and comprises a pair of clamps and a positioning pin arranged on the workbench. The pair of clamps aredriven by a linear drive mechanism. The positioning pin is provided with a pressure sensor. The pair of clamps are respectively provided with push button switches. The device further comprises a detection module, wherein the detection module is respectively connected with a +24V power supply and a -24V power supply, and the detection module is provided with a grounding end. The detection module isinternally provided with a detection circuit and an identification circuit, and the detection circuit comprises a voltage comparator, two input AND gate resistors R1, a resistor R2, and an electromagnetic coil. The device can ensure that a worker can conveniently and quickly confirm whether a sheet is accurately positioned, and the device is convenient to use and simple in structure. The identification circuit and the detection circuit are designed separately, and the sheet is not charged, thereby avoiding electric shock accidents and ensuring personal safety.