Adjustable classroom platform step

The invention relates to an adjustable classroom platform step. The adjustable classroom platform step comprises a floor and a wall, the floor and the wall are arranged perpendicularly, two base plates are fixedly mounted on the floor through bolts, a step plate is arranged above the two base plates, upper ends of two first adjusting rods with a gap reserved are movably connected to each of the left side and the right side of the step plate, and second adjusting rods corresponding to the first adjusting rods in position and quantity are movably connected to the base plate. By modification of an existing cement platform step or wooden platform step into a liftable plate type platform step, convenience in mounting and demounting, high mounting and demounting efficiency and reusability are realized; height adjustability according to heights of students is realized so as to meet various teaching requirements, and the adjustable classroom platform step is simple in adjusting mode and integrally low in cost. 本发明涉及种