The invention discloses a demonstration rack for school libraries. The demonstration rack comprises a bottom plate. An electric telescopic rod is fixedly connected with the top of the bottom plate, abarrier is fixedly connected with the right side of the electric telescopic rod, a glass tank is fixedly connected with the top of the barrier, a vertical groove is formed in the left side of the glass tank, a support block is arranged on the right side of the top of the electric telescopic rod, the right end of the support block penetrates the vertical groove and extends into the glass tank to befixedly connected with a support plate, a motor is arranged at the bottom of the front surface of the support plate, and a driving wheel is fixedly connected with an output shaft of the motor. The demonstration rack has the advantages that the demonstration rack is provided with the bottom plate, the electric telescopic rod, the barrier, the glass tank, the vertical groove, the support block, thesupport plate, the motor, the driving wheel, a driven wheel, a belt and propaganda paper, accordingly, excellent demonstration effects can be realized by the demonstration rack for the school libraries, the propaganda intensity of the demonstration rack can be improved, and the problem of poor demonstration effects of the traditional demonstration racks for school libraries can be solved by the aid of the demonstration rack.