自1994年開始推動的「社區總體營造」，可謂台灣近十年來最具朝野共識的政策方案之ㄧ。研究者在長達十餘年的實際參與執行過程中，觀察到有兩項未曾間斷且持續操作的社區營造重點工作，其一為社造人才的培育，其二為社區環境空間的改造。而這兩項工作其實就是社區總體營造在台灣推動這十年來，亟欲達成的階段性目標，也對於往後社區營造的永續發展有著關鍵性的影響。 本研究嘗試從參與主體互動關係的角度切入，探討在「社區培力」的觀點下，在民眾參與社區環境空間改造時，所產生的政府、非政府組織與社區民眾，三個參與主體所扮演的角色、定位、功能與任務，以及各參與主體在人才培育的工作中，如何在學習成長的過程中，運用培力的方式以達成有效益的成果累積。 研究者採用行動研究的方法，以苗栗縣為研究場域，並透過對於社區營造、社區培力、民眾參與、社區環境改造與國內外多個案例等的課題分析歸納，並結合苗栗縣推動社區總體營造與社區規畫師等計畫的執行過程中，探究各參與主題的互動關係變化，進而影響其各自的角色、定位、功能與任務的網絡結構，以及有效的社區培力機制。 在經過2001-2005五年間的行動研究歷程，研究者發現三個參與主體間的關係應是由最初的「上下互賴關係」，轉變為「水平互動關係」，方有可能達成「三角互補關係」的理想社區總體營造網絡結構。而在不同的階段中，三參與主體的也應動態的變換不同的角色與相對應的功能與任務，以因時、因地制宜的推動社造工作。尤其非政府組織除了必須具備有「中介、潤滑與形塑」的功能外，還要能「提升社區民眾公共參與層級」的能力。因為，民眾對於公共事務的決策能力並非由其他主體移轉而來，而是在有效的學習成長過程中，創發出來的。而透過本研究引入「契約學習」的學習方式，更確認有效的學習過程應提供「提問式的教育環境」，教學者與學習者在一定的知識基礎上，於動態的互動過程中調整所扮演的角色，進而將所習得的知識內化為生活的一部份，再透過行為外顯呈現。 本研究在苗栗縣的特定情境脈絡下，探討民眾參與社區環境改造此類與生活密切關聯，但又需要專業知識與技能的社區營造面向，如何藉由參與主體間的關係轉變與互動過程，以及學習成長的社區培力機制的運作，應可提供相關研究人員參考，並作為政府、非政府組織與社區民眾彼此互動的依據，進而共同攜手打造社區願景。 關鍵詞：社區總體營造、民眾參與、社區培力、契約學習、社區規畫師、行動研究 / Community building can be seen as one of the most common understanding policies in Taiwan since 1994. Author of this research has been participating in the practical operation for over ten years, and observing two key points. One is talent cultivation; the other one is community space transformation. These two achievements are de facto the staged goals of Taiwan community building through these years. Most importantly, they have potentially influenced the sustainable development of community building. With the angle of interaction of participants, this research tries to discuss that under the view of community empowerment, government, NGOs and community residents become the three main participants when the public takes part in the community space transformation. The roles, position, function and mission of the three participants will be examined here. Besides, for talents cultivation, how do they exert empowerment to accumulate the efficient achievement in the learning process? Action research method is used in this research. MiaoLi County is the research area. Through analyzing the subjects of community building, community empowerment, public participation, community space transformation and overseas cases, and combining the executing process of the community building and community planner plans promoted by MiaoLi County, this research is to study the interacting changes of the above subjects. Furthermore, these subjects are to influence their own roles, position, function, mission network and effective community empowerment mechanism. After five-year action research from 2001 to 2005, this research found that the relation of the above three main participants has changed from “Top-Bottom Dependent Relationship” into “Balanced interaction Relationship”, and been finally moving to “Triangle Inter-complementary Relationship ”, an ideal net structure of community building. In the different stages, the three main participants should also shift different roles, related function and mission to promote community building timely and properly. Especially, except intermediary, lubricating and molding, NGOs should have the capability to promote the level of the public community participation. For the public’s decision ability toward public affairs is not transferred from other objects, but created from the effective learning process. This research introduced “contract learning” to confirm that an adequate learning process should provide an “asking- question education environment ”. Based on certain knowledge basis, teachers and learners have to adjust their roles during interacting, internalize the new knowledge into part of their lives, and behave properly. Under some special situations in Miao-li County, this research talks about the close relation between daily life, professional knowledge and skill of community building while the public participates community environment building. It also examines how these main participants transfer their relation and interacting process, and how to learn the operation of a growing community empowerment mechanism. These related findings and conclusions could provide some positive reference for other researchers. More importantly, it is hoped that government, NGOs and communities to cooperate to accomplish a concrete community vision in accordance with this research in the future. Key words：community building, public participation, community empowerment, contract learning, community planner, action research