在媒介融合的大背景中,台网联动的形式不断演进,电视娱乐大众的传播效果发生巨大的变化,电视的社交化生存模式已经形成,社交媒体的概念已经深入人心。本文从台网联动所具备的“媒体属性”与“社交属性”入手,基于定量样本的解析影响微博话题衍生机制的因素。通过诸多案例的解读探析在这种异化的娱乐互动形式中,衍生微博话题的因素与条件,以及各条件之间的相互关系。 In the context of media convergence, the form of linkage between Taiwan and the Internet has been continuously evolving, and the mass effect of television entertainment has changed dramatically. The socialized survival mode of television has taken shape and the concept of social media has been deeply rooted in the hearts of the people. This article starts with the “Media Attributes” and “Social Attributes” of network linkage, and analyzes the factors that affect the derivative mechanism of Weibo topics based on the analysis of quantitative samples. Through the interpretation of many cases, we explore the factors and conditions of the derivative microblogging topic and the interrelation among the conditions in this dissimilated entertainment interactive form.