It is to design the drawer injection mould, references to the traditional mechanical design, focus on the CAD/CAM application in the plastic mould design, that is to say to apply the CAD system in model and plastic injection mould design. This artic introduces the mould technology and the CAD/CAM application of mould in china nowadays, Including PRO/E,AUTOCAD,MASTERCAM. While main mechanical designs content the principle and application of the plastic mould, design standards and brief intro of the items. The calculation of the plastic mould design concerns about the mould construction design, choosing injection machine, injection system and so on..