Assembly type stair stacking protection support

The utility model provides an assembly type stair stacking protection support and belongs to the technical field of building construction. The protection support comprises a base, a supporting frame and a placing frame. The base comprises two vertical steel pipes and two transverse steel pipes; the supporting frames are arranged at the four corners of the rectangular frame base, first inclined supports arranged diagonally are arranged on the two supporting frames above the transverse steel pipes, and the two ends of each first inclined support are connected with the supporting frames through bolts. A plurality of threaded positioning holes are formed in the supporting frame at equal intervals, the placing frame comprises placing steel pipes, connecting walls are arranged at the two ends of each placing steel pipe, threaded holes are formed in the lower portions of the connecting walls and the lower portions of the placing steel pipes, and the placing steel pipes are installed in the threaded positioning holes