During the design of plastic molds, we gain a general knowledge and understanding of plastic molds, develop the performance of plastic molds, the production capacity of plastic structures, and the design process for the production and assembly of molds and plastic molds. The field of mold production has undergone profound changes in science over the last ten to twenty years. Currently, CNC machines are the main equipment for mold processing, and CAD / CAM technology is used in the mold industry.