The purpose of the use of this tool is to reduce the cost and production time by eliminating any activity. That is not beneficial and employees who create such activity, organizing a group work with cross-functional members to reduce administrative hierarchy. Cause to accelerate the flow of information. To reduce the error and correction caused by the forward. For another, it improve the quality by reducing the work spread the work into small portions Cause the process owner clearly. The working response results work more and can measure his performance clearly.