Subway prefabricated platform structure

The subway prefabricated platform structure comprises a bottom plate, a middle plate and a top plate, and supporting assemblies are arranged on the two sides of the top end face of the bottom plate; the wallboard is arranged to be of a detachable structure, so that a worker can move and install the wallboard conveniently, the worker can install and connect the wallboard and the bottom plate conveniently during construction, the installation efficiency of the worker can be improved, the firmness of installation and connection between the wallboards can be improved, the practical effect is good, and the practicability is high. By means of the designed pouring holes, concrete can be conveniently injected after the bottom plate is installed, the connecting tightness between the bottom plate and the building base layer can be improved, and practicability is good; through the designed reinforcing assembly, the installation firmness of the top plate is conveniently improved, the supporting strength of the top plate