Whether the political authority of a government gains public acknowledgement and trust depend crucially on the enough social control ability of the government.The impact and influence of public crisis events to the development of society is enormous.It may cause social life depart from its normal orbit,and put the society under a dangerous and non-balanced state.Government as the main body of public crisis management,how to exert its own force,stabilize rapidly the social order,subside public crisis mentali...