This study’s purpose is to examine the government’s PR (Public Relations) use of social media in
public communication, and to identify the various factors that have significant influence on public. For
the research questions, an in-depth interview of government PR practitioners and SNS professionals
was done in order to figure out the major factors influencing the effects of government PR using social
media. By analyzing the interview, the conclusions draw some important factors that have never been
mentioned before in a previous studies. Also, it leads to the general understanding about the
government’s PR team’s use of social media and presents the meaning that study participants assigned
to their experience. First, research result shows that both government PR practitioners and the SNS
professionals are concerned with how to communicate more effectively facing the changes in media
environment. Informants also recognize the importance of new media. Second, the result of the study
shows the major factors that the government uses with social media. They are accessibility, immediacy
and relationship. Among them, accessibility and immediacy are considered more influential than the
rest. Through social media, the government can inform new policies or administrative decisions to the
general public without any delay.