社交网络和手机成为近年来新兴并且很重要的传播方式。传播学界虽然已有很多关于媒介使用与社会资本的研究,但关于社交网络和移动通讯对社会资本的影响的研究仍然有限。本文梳理了目前西方学界关于社交网络、移动通讯以及社会资本的研究。首先介绍了社交网络的定义与历史沿革,并侧重于MySpace和Facebook这两大最大的社交网络,随后阐述了各派学者关于社会资本的定义及分类,以及社交网络的使用和社会资本之间的关系。本文还在普适计算的背景下介绍了移动通讯的发展,以及目前关于移动通讯和社会资本的研究。文章的最后讨论了目前研究的不足及未来研究的方向和展望。 Social networks and mobile phones have become new and important forms of communication in recent years. Although there have been many studies on the use of media and social capital in the field of communication, there is still limited research on the impact of social networks and mobile communications on social capital. This article combs the current western academic research on social networks, mobile communications and social capital. First introduced the definition and historical evolution of social networks, focusing on MySpace and Facebook, the two largest social networks, followed by the various scholars on the definition and classification of social capital, and the use of social networks and social capital between relationship. This article also introduces the development of mobile communications in the context of pervasive computing as well as current research on mobile communications and social capital. Finally, the article discusses the current research deficiencies and future research direction and prospects.