Nowadays more manufacturing company facing the problem of loss of more time spend for the setup process. SMED is created by shigeo shingo. SMED is the one of the lean tool to reduce setup time in any machine less than the 10 minutes that’s why it is called as single minute exchange of die. And then this paper evaluate the organization and execution of SMED for reduce setup time in CNC machine when we reduce setup time in CNC machine Company profit and productivity also gradually increased.