The structure CNC Lathe Tool of the tool holder of CNC machine tools is divided into two types: integral type and modular type. The integral shank has its working part of the clamping tool integrated with its shank for positioning on the machine. This kind of tool holder has poor adaptability to the change of machine tools and parts. In order to adapt to the change of parts and machine tools, the user must stock the handles of various specifications, so the utilization of CNC Machine Tools the handle is low.