中文摘要：

目前，社交站点（SNS）正面临着日益激烈的市场竞争。研究SNS用户忠诚或持续使用对于指导SNS运营商吸引和保留用户具有十分重要的现实意义。本文通过对现有的SNS用户忠诚实证研究成果予以系统分析，发现被用于SNS用户忠诚研究的主要理论有期望确认理论、技术接受理论、价值理论、体验理论和社会资本理论等；SNS用户忠诚的影响因素主要包括技术性因素、社会性因素、个人性因素和经济性因素等四类；其中，感知有用性、感知趣味性、感知价值、心流体验和信任等因素既是重要的直接影响因素又是重要的间接影响因素，而满意度主要是作为直接影响因素，期望确认度则主要作为间接影响因素。

英文摘要：

Nowadays, the competition in Social Networking Sites（SNS） market is increasingly vigorous. Therefore, it is very important to study the SNS user＇ s loyalty or continued use, which is helpful to direct SNS operators to attract and retain users. This paper analyzed the existing literatures about SNS user＇s loyalty systematically, and founded the following results：（l）the main theories applied to study SNS user＇s loyalty included the expectancy confirmation theories, the technology acceptance theories, the user＇s values theory, the experience theory, and the social capital theory; （2）the influence factors of SNS user＇s loyalty included technological factors, social factors, personal factors and economic factors, in which perceived usefulness, perceived enjoyment, perceived values, flow experience, and trust were both direct antecedents and indirect antecedents, while satisfactory was only regarded as the key direct antecedent and the degree of expectancy confirmation was only seen as the key indirect antecedent.