Seeing from the unconventional safe view,because of the point of catholicity,multinational,complexity of network public opinion spreads,the network public opinion has become to affect the new problem in national security.

The paper mainly discusses the characteristics,and the perspectives as well as the shortages of the research on network public opinion in China in recent years.

With network technology never-ending changes and improvements,the network is composing in reply a cyber journalism s developing at full speed,network public opinion is bringing the effect carrying weight into play in public opinion in forming and spreading a pattern.

The Emergence and Charactristics of Internet Public Opinion;

The Internet public opinions are characterized with activeness,anonymity,casualness and a big size;accordingly,forums,personal websites and blogs occur,where information-poor people and marginal groups can vent their anger.

Internet public opinion, as a new form of media, is accompanied by the birth of Internet media.

Traditional media also plays an important role in network opinions.

On the Four Topics about Online Public Opinion Development in China

The influence of online public opinion begins to grow and online public opinion have become an important means of civilian expression.

With the rapid development of Internet,online public opinion has a strong influence in emergency,even changes some of the methods about governmen to deal with the emergencies.