Public relation crisis management is a crisis--solving process when the enterprise experiences crisis in public relations, in other words, it is about how to manage the public relations during the crisis event. Crisis happens in any places and in any time, therefore, how to prevent and control crisis becomes one of extremely vital tasks for enterprise. Crisis contains two layers of meanings in terms of danger and opportunity, and it is also a turning point for the enterprise. Effective crisis management provides opportunities for development while a successful settlement of crisis not only wins prestige for the enterprise and builds up enterprise image, but also it provides the enterprise the opportunity of development.