In the era of new network, information transfer presents characteristics such as pluralistic, widespread and interac- tive. The emergence of new media represented by Internet contributes to the high level of freedom of online speech. It can be said that, the new media is a double-edged sword, both can eliminate the public crisis, also can cause the public crisis. As China is a country where public crisis frequently occurs, highlights the profound influence of the media and media management problems. "Malaysia Air- lines loss contact" is a typ...