Laser cutting system and control method thereof

The invention belongs to the technical field of laser cutting and provides a laser cutting system and a control method thereof. The system comprises an industrial personal computer, an optical filter laser, a two-dimensional displacement system, a Z-axis height tracking system, an electronic control cutting head, a servo motor system, a cutting gas control system, a water-cooling control system, wherein the industrial personal computer is respectively connected with the optical filter laser, the electronic control cutting head, the servo motor system, the cutting gas control system, the Z-axis height tracking system and the water-cooling control system, and the servo motor system is connected with the two-dimensional displacement system. The system and the control method thereof has high cutting speed and high cutting efficiency under the same power consumption.