The invention provides a school library book borrowing control system based on iris recognition and belongs to the field of in/out management. The school library book borrowing control system comprises an iris recognition circuit, a hoisting cushion, a voice circuit, a controller circuit, a motor driving circuit, an outgoing switch, an electronic label induction circuit, an electronic label induction unlocking circuit, a server, a PC (Personal Computer) and an electronic label, wherein an output end of the iris recognition circuit is connected with the controller circuit; the hoisting cushion is connected with the controller circuit; an input end of the voice circuit is connected with the controller circuit; the input end of the motor driving circuit is connected with the controller circuit; the output end of the motor driving circuit is connected with the outgoing switch; the input end of the electronic label induction circuit is connected with the controller circuit; the output end of the electronic label induction unlocking circuit is connected with the controller circuit; the electronic label is wirelessly connected with the electronic label induction circuit and the electronic label induction unlocking circuit; and the electronic label is stuck on a book.