Wallboard structure of smart classroom

The utility model provides an intelligent classroom wallboard structure which comprises a bottom plate installed on a wall body, a rectangular frame is arranged at the front end of the bottom plate, a decorative plate is installed at the front end of the rectangular frame, a straight cylinder is arranged at the front end of the bottom plate, the front end of the straight cylinder extends into the decorative plate, an electromagnet is fixed to the front end of the bottom plate and located in the straight cylinder, and the electromagnet is fixed to the bottom plate. A circular plate is slidably connected into the straight cylinder, a magnetic block is installed at the rear end of the circular plate and arranged on the front side of an electromagnet, the electromagnet and the magnetic block are mutually repelled, a transverse rod is installed in the middle of the front end of the circular plate, and the front end of the transverse rod extends to the front end of the straight cylinder and is connected with a coni