Abstract: In an age of diminishing resources, the effectiveness of a highly motivated workforce fundamentally determines an organization’s destiny. Performance management has become a hot issue in recent years, because it helps an organization to achieve its business and strategic goals and at the same time assists people to reach their full potential. Equal attention should be paid to performance management practice to ensure its effect on organizational performance as well as avoid the opposite effect it might bring to organization. Through years’ of research and practice, Six Sigma has grown into a mature quality control method as well as management concept. The concept and methodology of Six Sigma could be utilized to compensate for the defect of performance management and enhance the satisfaction of related parts. This study sets up a model of DL workforce performance management process using Six Sigma. Motorola Performance Management Simplification project demonstrates it with obvious cost and time saving every year. It is concluded that the six sigma method is an effective and cost-saving method in performance management.