The invention discloses structural plate material cutting equipment. The equipment comprises a workbench, a longitudinal opening is formed in the workbench, and an L-shaped rod is arranged at the position, located on one end of the longitudinal opening, of the workbench; a cutter changing rod perpendicular to the L-shaped rod is inserted into the transverse end of the L-shaped rod, a cutter changing ring is arranged at one end of the cutter changing rod in a sleeving mode, and the other end of the cutter changing rod is sleeved with a driven gear; a rotating motor is arranged on the L-shaped rod, the rotating end of the rotating motor is sleeved with a driving gear, and a cutter rest is arranged on the side surface of the cutter changing ring; and a gear disc cutting machine and a rack cutting machine are arranged on cutter rest, a controller, an electric supply interface and a capacitive touch screen are arranged on the workbench, and the controller is correspondingly and electricallyconnected with the electric supply interface, the capacitive touch screen, the rotating motor, the gear disc cutting machine and the rack cutting machine. The equipment has the beneficial effects ofbeing simple in structure and high in practicability.