Finally,three different cities are taken as examples to evaluate the city disaster emergency management capability.

Campus emergency management capability is divided into 4 processes,12 sections and 30 indexes from different angles.

Considering this point, risk control procedure for large public activity is put forward from the angle of risk management; dynamic analysis of large public activity is made from the aspects of project assessment, static assessment, management and control ability and emergency ability.

On the base of obeying the principle of authoritative emergency,the government,therefore,should build up help-system to realize emergency ability from the three aspects of preparatory,management and compensatory supplements of health resources,eliminating social influence and turbulence caused by the inci.