In 2012,public opinion events concerning on food safety,expired milk,plasticizers,crash chicken,fake eggs and other issues arose repeatedly and all touched people's nerves.Through a comparative analysis of a total of 202 public opinion events from 2010 to 2012 that produced great impact,this report has discovered that in 2012,public opinion events concerning food safety are mainly characterized by the following:high incidence of public opinion is still concentrated in the seasons of spring and the early summer,and in the eastern regions;the proportion of the events located national-wide is relatively high;events involving illegal additives and production and sanitation became the dominant event type;public opinion events mainly involved private and foreign enterprises;the efficiency of public opinion spreading has gradually increased;the number of online media and microblogs which became the first media to expose the incidents has increased significantly;the proportion of the body that intervened within half a day after public opinion events occurred has risen;incident resolution rate has risen markedly,the public's responses to the government are mostly affirmative evaluation. <<