Abstract: By analyzing the social context of the agenda-setting function in network era,and the characteristics and formation model of network public opinion,mainly with the hot events occurred in the end of 2010-Yihuang demolition event,"LiGang door" car accident on campus and the fire case in Jiaozhou,Shanghai,for example,respectively statistical analyzing the relationship between their media coverage in Baidu news and discuss heat in the Tianya BBS in the change of time,the paper points out that taking...