In recent years, social media has become the world's fastest growing new media types, which have a huge impact on the real world of political, social, economic, diplomatic and military, etc. Initially, the positive impact of social media greatly appreciated by the international academy, but with Middle East, Europe, Russia and other countries demonstrations in 2011, and even to overthrow the regime of the incident, people began to realize the political potential of social media infigured with the digital activist's logic. Began to talk about the political impact from the reflection of social media around the World in the 2012, the article analyzes the reflection of the digital activism significance as well as the trends in China. <<