High and large formwork supporting frame

The invention discloses a high and large formwork supporting frame, relates to the technical field of building construction, solves the problem that the process of installing the supporting frame is troublesome, and comprises a working platform, a plurality of bases parallel to one another, installing rods arranged on the bases and a plurality of connecting beams sliding on the installing rods. The connecting beam comprises a plurality of parallel first connecting rods and a plurality of second connecting rods abutting against the upper ends of the first connecting rods, the first connecting rods and the second connecting rods are perpendicular to each other, and the base is provided with a mounting assembly for fixing the mounting rods when the mounting rods are inserted into the base; a plurality of abutting plates allowing the first connecting rods to abut against are arranged on the mounting rod in the vertical direction, the abutting plates have the storage state that the abutting plates are stored in th