本文嘗試融合科學與科技研究（science and technology studies, STS）與傳播研究取徑，從「事件」與「物質性」的角度切入，探 究社交媒體事件的浮現邏輯，從實際的個案研究中歸納出不同社交 媒體事件之特色，探討時間特性、文本類型、發言者立場的差別； 從社交媒體的物質性說明平台的技術結構、圖文內容串流如何吸引 用戶投入，得以在短時間內促成社群聚合，共同參與社交媒體事件 之形成。

The purpose of this article was to study the emergence of social media events by integrating science and technology studies (STS) and communication research. This article focuses on ‘events’ and ‘the material conditions’ of social media. Based on empirical case studies, the author summarizes the characteristics of social media events and discusses the differences in time characteristics, types of texts and speaker standpoints. The article also analyzes the platform structures, graphic content, and user engagement to reveal the roles of the material conditions of social media in event formation in social media. This study reveals the diversity of social media events through analyses from different perspectives.