隨著全球暖化問題的嚴重，與環保意識的日益崛起，近年來生態及環境保護之「永續發展」概念正逐漸受到重視。本研究屬探索性研究之範疇，採取個案研究方式進行，透過訪問具代表性的個案永豐餘造紙公司為對象。依據訪談結果，並參考次級資料來源，深入分析永豐餘綠色使命的相關具體行動，並探討各項綠色環保實踐與競爭優勢之關聯性，依研究發現歸納出八項命題。本研究獲得兩項結論：首先，企業可透過綠色與環保的企業文化的塑造，在未來環保趨勢中取得先機，進而改變產業遊戲規則，創造生態永續市場或綠色產業。其次，企業採行推動製程減廢、廢棄物資源回收等低污染環保活動，可降低成本取得領先地位，具體實踐節能減碳的目標與善盡環境保護的企業社會責任。將綠色使命融入其產品創新設計、製程創新與回收創新中，進而創造產品與服務之差異化競爭優勢。

As the degradation of global warming and the increasing value of environmental consciousness, the concept of Sustainable Development of ecology and environmental protection gains more attention day by day. This exploratory study is a case study adopting interviews with representative case-Yuen Foong Yu Paper Manufacturing Corporate. Based on the interviewing result as well as the secondary data, the study analyzes the actions of green mission and probes into the relation between Green environmental protection practices and competitive advantage of the corporate. Eight propositions are induced and leads to two conclusions. First, the cultivation of green and environmentally friendly corporate culture exceeds in the future green trend and further makes changes in industry game rules with creating the ecology sustainable market or green industry. Second, the low-pollution environment protection actions such as the promotion of waste reduction in the manufacturing process the recycling of waste materials put the corporate in a cost-down leading role. At the same time, the corporate substantially realizes the objective of reducing the carbon through energy conservation and practices the corporate social responsibility to protect the environment, creating differentiation competitive advantage on product and service via merging green mission into product innovation design, manufacturing process innovation, and recycling innovation.