近年來因市場環境變遷與客戶生態的改變，在產品規格要求日趨嚴苛下，如何有效率優化品質已滿足顧客需求，已成為維持企業競爭力的關鍵。本研究以個案研究為基礎，針對手機透鏡座在開發階段的品質問題，導入客製化的六標準差手法，來突破現況所面臨的瓶頸。研究結果顯示，導入本研究成果所開發的產品，可通過環境可靠度測試，其製程能力指標Ppk也由改善前的1.41提升至2.22，達到廠商所設定的挑戰目標。

In recent years, rapid changes have occurred in the market environment and customer ecology. Under the increasingly stringent product specifications, how to efficiently optimize the quality to meet customer demands, has become a crucial issue to maintain the competitiveness of enterprises. This study focused on the quality problem of smartphone lens holder in the development stage based on the design for six sigma approaches to overcome the current quality bottlenecks. The result showed that application of the research results to develop products that can pass the environmental reliability test. The process capability indicator Ppk also increased to 2.22 form 1.41 and to achieve manufacturer's setting challenge goals.