Platform structure of multimedia classroom

The utility model discloses a platform structure of a multimedia classroom, which belongs to the technical field of multimedia teaching, and comprises a base, a box body and a lifting platform, the box body is fixedly connected to the upper surface of the base, the front surface of the box body is movably connected with a maintenance door through a hinge, the lifting platform is fixedly connected to the inside of the box body, and the maintenance door is movably connected with the lifting platform. The platform structure comprises a lifting table, a motor is fixedly connected to the interior of the lifting table, a first threaded column is fixedly connected to the upper end of an output shaft of the motor, and a threaded pipe is connected to the upper end of the first threaded column in a threaded mode. When people need to adjust the height of the main platform, people only need to control a motor to operate through a control switch so as to drive a first threaded column to rotate, under the cooperation of th