Abrupt Event is the unexpected event, that is, the event unable to anticipate. Moreover, it is the anticipated event, but less prepare to deal with. Any organization, whether profit or nonprofit, might have abrupt events. Because abrupt crisis event is unable to prevent in advance, it is especially important of mobilization and related processing assignments when the affairs taking place and afterwards examines. This thesis enumerates crisis factors of abrupt crisis event, and explains item by item how to seek the harming organization's true reasons caused by crisis event and their influence scope and degree. The next, this thesis construct a processing-stage division method of crisis event, in order to explain characteristic of the various stages and achievement should been pondered on. At last the thesis also uses a flow chart to demonstrate the disposal procedure of crisis event and interaction relations of various stages.