Based on multi-media,news comment of blog shows a difference compared with traditional news comments.

Combined with the analysis on specific cases of citizen journalism,the vigorous development of citizen journalism brought by the new breakthroughs of the subject expression of news blog are discussed from various degrees,and the current situation and its nature and significance of the development of citizen journalism in our country are analyzed.

Based on analyzing three kinds of news blogs and their communication effect, this paper expounds the symbiotic ecosystem of the blog created by FANG Xing-dong and the traditional medium, reveals the news specifications followed by the news blogs and the grassroots reporters to promote the symbiosis and combination of news blogs and traditional medium.

With the news blog development,in even changes the traditional way of news report in a sense.

Based on the observation and study of the communication of recent years Blog journalism,this paper investigates the whole process of Blog journalism s origination,its main communication modality and others.

The Rise of Newsblog and the Effect on the Dissemination of the News;

The Research on the Theory and Practice of News Comment of Mao Zedong;

The development of Internet media,the "fourth media",has led the news comments into a new ideological content,and also breaks the gap between media and audience.