Laser land leveling system

The invention provides a laser land leveling system. The laser land leveling system comprises a rack, a laser system and a computer control system, and the laser system comprises a laser transmitter and a laser receiver which is matched with the laser transmitter; a leveling shovel is fixedly mounted at the lower end of the rack, the front end of the rack is fixedly connected with a connecting rod, a pin hole for connecting a driving device is formed in the end portion of the connecting rod, the rear end of the rack is movably connected with a triangular truss in a hinged mode, a hydraulic cylinder A is fixedly arranged on the top between the triangular truss and the rack, the back of the triangular truss is connected with an I-shaped walking support arranged horizontally through a rotary shaft, the rotary shaft is fixedly arranged in the middle of the I-shaped walking support, the I-shaped walking support is further provided with a swing hydraulic cylinder for driving the rotary shaft to rotate, the four cor