This paper presents a multi dimension analysis framework from the crisis evolution time node,evolution stage and the causes of the evolution to carry out rural emergencies evolution mechanism. Taking ' Huangpu River floating dead pig' incident as a case,the paper analyzed the sudden public crisis evolution mechanism and evolution time node. We find that: media information dissemination,prevention and control of government regulation,consumer risk perception,farmer's crisis response,is important reason of the sudden public crisis animal epidemic evolution mechanism. This paper presents,accordin...
