This article concludes the new type laser process system of our research which is used to drill 18000 holes on PCB soft board per minute. The via-holes are often jammed in the traditional PCB techniques. It is not easy to clean printing ink with traditional method. To solve this problem, we developed the laser high-speed PCB drilling system. Through two high-speed scan mirrors exchanging the position, the servo system pushing forward working plate, and the exact location of the response system, compensating the shape-change of PCB soft board under computer control. Measure and locate the PCB board with photo electricity system. In order to improve the speed of drilling, we suggested the scan mirror should be 25 mm×25 mm, divide the PCB into several areas, process individually and one by one. Cooperating the position of scan mirror and working plate, the reference frame transforming of holes would be done by software.