近幾年的大規模社會抗爭運動，不像過往傳統社運組織由上而下的動員，強調一致的意識形態和認同作為號召，而是透過網際網路與社交媒體的訊息擴散與中介動員，形成水平式的串連。面對這種新型態的網絡化社會運動，Bennett & Segerberg（2013）提出連結性行動（connective action）概念，強調個人化行動框架的重要性，以及組織在這些新型態社會運動中扮演的不同角色。本研究以2013年苗栗大埔農地徵收一案作為本地的連結性行動個案，觀察社交媒體上的浮現社群和既有的社運組織之連結，探討線上與線下參與者之串連如何使此案成為眾所關注的社會抗爭事件。 　　本研究採取複合式研究方法進行資料蒐集與分析，研究場域包括線上社交媒體與線下田野觀察，並訪談實際參與者。研究發現，在2013年苗栗大埔事件中，透過社交媒體的訊息擴散與動員參與，一波又一波的訊息擴散累積為下次的動員能量，號召更多的個別行動者參與；再者，社運組織作為一個連結平台，讓線上社交媒體的議題社群，有機會與在地抗爭者共同參與活動，並捲動不同社運組織之間的連結，形成社運組織「網絡的網絡」的協作圈。 / In the 2013, residents of Miao-li Da-pu fought for their living right against the government. They organized a series of protest by mobilizing people through social media. This was one of the several high-profile networked social movements in recent years. Adopting “the logic of connective action” from Bennett & Segerberg (2013) as the conceptual framework, this study examines the online and offline social networks of activist organizations during the protest events of Miao-li Da-pu. This analysis indicates that the protest’s information flows on the social media may recruit more individuals to participate the protest. Moreover, the organizations enabled “the network of networks”, which is linked to the networks belonging to different organizations. The role of organization in the protest is not only to mobilize the resources but also an enrolling platform to connect various individuals and local residents to work together.