With the advent of we-mediaera,emergent Internet public opinions play a more and more important role in people's life.Taking the micro-blog discussions on the massive explosion in Tanggu port,Tianjin as one example,the participants of emergent Internet public opinions are divided into the government,the network media,the people involved and the general public.By using the grounded theory,it was found that the three influencing factors of emergent internet public opinion evolution are the release of official...