The dissection model of the automotive rack and pinion steering gear is based on the original factory rack and pinion steering gear component assembly and its mechanical total. Key parts are dissected, and different colors are applied to the cross-sections to highlight the structural hierarchy. This model can be used to demonstrate the principles and structure of the rack and pinion steering gear component.The dissection model of the automotive rack and pinion steering gear is suitable for the training and teaching needs of various types of colleges and training institutions regarding the structural theory and maintenance training of the automotive rack and pinion steering gear component.