製造執行系統 (MES; Manufacturing Execution System) 已應用於全球製造產業超過30 年,至今依然隨智能製造的趨勢而蓬勃發展。過去MES 軟體開發多以傳統計畫式專案管理,從界定專案範疇與需求分析起始,並終止於產品交付與驗收。此方法固然可滿足單一專案的客戶需求,確保專案時程收斂,卻可能犧牲產品的中長期策略發展,並欠缺在系統上線後對於客戶使用狀況及反饋的關注,因此難以累積在多次專案中所得到的行業經驗與知識。 本研究以個案研究方法,藉由一間MES 系統服務提供商導入產品生命週期管理體系的實務經驗,並透過該廠商的MES 開發團隊試行「敏捷開發方法Scrum」的執行狀況,對上述問題進行探討。本研究對該MES 系統服務提供商原本的開發流程、方法以及痛點進行分析,比較其被併購後採用新公司的產品生命週期管理體系的流程、方法執行狀況。 本研究依據此個案實例的實務經驗,提出MES 系統適用的產品生命週期管理流程模型,將提供給其他新的軟體產品線使用,並持續驗證、調整改善。導入產品管理體系可以完善該MES 的產品工程體系與策略規劃,並透過完整的商業規劃,更有效地在產品銷售的前、中、後期,持續創造產品價值。針對軟體開發的方法,經過深入地探討與評估,雖然該單位因為其產品特性及流程現狀不完全適用Scrum 的敏捷開發方法,但是本研究也提出對應做法,建議在開發團隊中的日常工作中實踐敏捷管理的原則與精神,持續改善。;The application of manufacturing execution system(MES) had been developed for more than 3 decades around the globe, and the market was still growing as the need for digital transformation of factory arise with the trend of smart manufacturing and industrial automation. The purpose of this study was to identify the process and activities in the product lifecylcle of MES product, and proposed an appropriate methodology or practice for MES product development management. This research conducted a case study on an MES supplier merged into an original design manufacturer (ODM) electronics company. By comparing a project-based MES developed with the object company’s original implementation process, and a product-based, SaaS MES constructed with the ODM company’s product lifecycle management institution, this research investigated the execution and outcome of these two instances. In addition, this research looked into the adaption when the development team adopting Scrum, and discovered the constraints of this method used in MES product development. Based on the product lifecycle process of object company, this research revised a product lifecycle and development model for MES. The result revealed that it would be impractical for MES development team to fully adopt Scrum method, considering that MES operated across multiple function areas involving multiple departments and heterogeneous systems integration. But this research also advised some ways to carry out agility in MES development practice, by upholding the guideline of value-driven and lean thinking.