六標準差目前已被視為企業裡品質系統的重要環節，各企業皆希望藉由推行六標準差而改善其產品品質、減少變異以達到降低企業成本的目的，進而改變企業文化。六標準差黑帶與綠帶人員如同種子一般，需在企業裡紮根並藉由帶領專案而潛移默化地教導並改變專案成員的觀念，逐步地改變企業文化。然而，企業面臨未有足夠的黑帶與綠帶認證合格人員以協助推動六標準差，導致六標準差在企業組織裡可發揮的影響力受到限制。

許多企業於進行六標準差培訓及認證時，經常以單方面的思考模式進行，認為只需要對員工進行培訓並交付其專案，如此培訓學員就可如期的完成培訓且必需完成專案以及獲得認證。此培訓模式導致認證合格率不如企業所預期，培訓學員亦感到挫折感。本研究之目的主要是探討提高六標準差黑帶與綠帶認證合格率的方法，了解組織與培訓學員所面臨的困難，協助企業找出提高認證合格率的方法。本研究以DMAIC方法，並且利用要因分析、FMEA等工具，期望找出影響黑帶與綠帶認證合格率的關鍵因素，以幫助企業採取對應行動而達到目的。本研究以國內某PC製造商為個案，說明如何應用本研究所提之方法而改善其認證合格率，達成組織的需求。

Six Sigma is considered as an important part of enterprise quality system. Many companies hope to implement Six Sigma in order to make its product quality better and decrease the variation of products. In addition, the main purpose of Six Sigma is to reduce capital expenditure, and, furthermore, to change the corporate culture. Six Sigma Black Belts and Green Belts are like seeds rooting in enterprises. They lead projects, direct team members, exert an imperceptible influence on associates and gradually change the corporate culture. However, enterprises suffer a problem. There are not enough Black Belts and Green Belts certified staffs to help promote Six Sigma. Therefore, it leads to limit the implementation of Six Sigma in an organization.

When many companies implement Six Sigma training and certification, HR managers often follow a simple thinking mindset. From HRs’ perspective, it just only needs to provide staffs training, assign them projects, and then trainees can complete the projects on time as well as get the certification. This kind of training model performs the certification rate lower than expected and the trainees feel frustrated, too. The main purpose of this study is to investigate the method to improve Six Sigma Black Belt and Green Belt certification rate by analyzing the obstacles in organizations, it will provide a solution to help enterprises to identify, solve problems and improve certification rate. This study adopts DMAIC method, the Cause and Effect Analysis, FMEA and other tools to filter the key factors that have an impact on Black Belts and Green Belts certification rate. These key factors help companies take the corresponding actions to achieve the purpose. A domestic PC manufacturer is studied as a case to illustrate how to increase certification rate, and hits the organization's perspectives through this case study.

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