通过考察新浪微博中的微博维权事件和微博公益活动发现,在社会转型的中国存在部分制度缺位的情境下,互联网有助于凝聚和设置维权议题,与传统媒体共同发挥着“议程设置”的“第二层级”效果;互联网有利于慈善惯习、氛围的形成和打破原有的以“差序格局”为主的人际关系网络。互联网的共同实践为“非制度化”方式生存提供了空间,提供了制度缺位情境下解决问题的可能性渠道。 Through examining the microblog events of rights protection in microblogging and the microblog public service activities, we find that in the situation where some systems in China’s social transition are absent, the Internet helps to unite and set the issue of safeguarding rights and plays a key role with traditional media. Agenda setting “” second level “effect; the Internet is conducive to the formation of charity habit, atmosphere and break the original” difference pattern “based network of relationships. The common practice of the Internet provides a space for the ”non-institutionalized" way of living, and provides a possibility channel for solving the problem in the absence of the system.