Fabricated environment-friendly concrete prefabricated stair

The utility model relates to the technical field of decoration equipment, and discloses an assembly type environment-friendly concrete prefabricated stair which is characterized in that connecting pedals are assembled and installed, the mute effect during use is improved through a sound absorption layer, the use effect of the connecting pedals is improved through a reinforcing layer and a waterproof layer, and the service life of the connecting pedals is prolonged. The connecting pedals are poured through the reinforcing steel bars and the pouring net, the durability of the connecting pedals is improved, the phenomenon that the connecting pedals are prone to being broken after being used for a long time is avoided, and therefore potential safety hazards are avoided, the connecting pedals are assembled, the assembling cylinders on the tops of the connecting pedals are connected with the assembling holes in the bottoms of the other connecting pedals in an inserted mode, and the connecting pedals are convenient