The Sanying teaching and training program for Truck and Bus Chassis consists of the following parts: the first part is the commercial vehicle chassis wheel axle detection and adjustment station. A set of supporting commercial vehicle wheel axle aligners uses the world's most advanced camera-type wheel axle alignment system product and is equipped with a wireless mobile commercial vehicle lift. It is quick and easy to use and integrates the positioning and adjustment processes. The second part is the commercial vehicle chassis special training station, which is the teaching of sub functions of commercial vehicle chassis, focusing on the physical explanation of the structure and principle of the special functions of the four major systems of the chassis, as well as special maintenance diagnosis learning and examination; The third part is the theoretical teaching area, equipped with a large screen and a movable touch screen, which is convenient for teachers to use. The fourth part is the detection intelligent equipment such as the sideslip table, gap gauge, tire tread gauge, etc. in the commercial vehicle detection project, which is simpler and more intuitive for teachers to explain.