The invention discloses a classroom roll call system. The system comprises a receiver and a control panel, wherein the output end of the receiver and the input end of an MYSQL database are connected, the output end of the MYSQL database is connected with a receiving antenna, the receiving antenna is connected with a fingerprint acquisition module through a data acquisition card, the fingerprint acquisition module is internally provided with an integrated circuit board, a multistage controller circuit is welded on the integrated circuit board, the primary stage of the multistage controller circuit is a video driving filter, the output end of the video driving filter is connected with a multistage power supply group, the output end of the multistage power supply group is connected with a wireless signal detector, and the output end of the wireless signal detector is connected with a system interface controller; and the control panel is internally provided with an FPGA controller and an embedded processor, a communication data port of the FPGA controller is connected with the embedded processor through a clock detector, and the embedded processor is connected with a data memory and a wireless data receiver.