Fabricated building universal wallboard

A fabricated building universal wallboard comprises a wallboard body, a plurality of first through holes are formed in the right side face of the wallboard body, cylinders are installed at the positions, corresponding to the first through holes, in the wallboard body, threads are formed in the cylinders, second through holes are formed in the end faces, away from the first through holes, of the cylinders, elastic telescopic rods are arranged in the second through holes, and hexagonal blind holes are formed in the end faces of fixing parts of the elastic telescopic rods. Threads are arranged on the side face of the cylinder, the side face of the cylinder is in threaded connection with a sleeve, a third through hole is formed in the position, corresponding to the cylinder, of the side face of the wallboard, and the cylinder can penetrate through the third through hole to be in threaded connection with a cylinder in another wallboard. When the device is assembled, rapid positioning can be carried out, the assemb