Assembly type steel structure wallboard special for constructional engineering

The invention discloses an assembly type steel structure wallboard special for constructional engineering. The assembly type steel structure wallboard structurally comprises stand columns, fixing devices and a wallboard body, the stand columns are vertically connected to the inner side of the wallboard body, and the fixing devices are in threaded connection to the four corners of the outer side of the wallboard body; and each fixing device is composed of bent plates, fasteners, an inner plate, fixing bolts and pasting devices, wherein the bent plates are in threaded connection with the left side and the right side of the inner plate, the fasteners are movably clamped to the upper end and the lower end of the inner plate, the fixing bolts are in threaded connection with the upper end and the lower end of the bent plates, and the pasting devices are located on the left side and the right side of the inner plate. Corrugated pads can be attached to the outer surfaces of the fixing bolts when four-side intersectio