The purpose of this thesis is to discuss the behavior of news jobholders managing the blog. There have been lots of researches for the motivation of writing blogs. Based upon past researches, this thesis adds the partial traditional dissemination theory idea to discuss the relation between criticalness of blog presentation and diversified blog topics from the gatekeeper pressure, challenging the point of view of the organization, communication, requirement from the company, and self-presents. The research is conducted by Questionnaire Survey and it is found that the communication, criticalness, and the subject multiplication in the blogs are significantly correlated. In the other hand, the requirement from the company and self-present are only related to diversified blog topics. As a result, the motivation and habit of news jobholders using blogs alter unceasingly. The future study can focus more on addressing this difference of evolving to realize how news jobholders in the traditional media work use new technical blogs.