Portable gantry type CNC cutting machine  is easy of installation and lower operation cost. The drive provides stable operation and high work efficiency, and can be connected with plasma to be as plasma cutting. Straight-line cutting and curved-line cutting are configurable as dual cutting mode in one machine to satisfy profile cutting needs. The control system has a graphic display function, which can observe the cutting process in real time. Equipped with fully automatic nesting software, which saves time for typesetting and improves the utilization rate of steel plates.