1. principle of timeliness: taking emergency measures in time to control the development of the crisis is the first principle of crisis management.

2. Efficiency principle: The rapid spread of public crisis requires the government to respond quickly and effectively mobilize social resources.

3. Synergy principle: People and forces involved in crisis response come from all aspects, such as transportation, medical care, communication, fire protection, food, etc. It is particularly important to take concerted action.

4. Scientific principle: This principle is mainly aimed at disasters caused by industrial technology and crisis events caused by natural disasters. If we deal with such large-scale accidents, earthquakes, tsunamis, hurricanes, etc. We must attach importance to science and technology and seek more expert advice.

Public crisis management

1. Reduce: It means reducing the attack power and influence of the crisis scenario. In this link, it emphasizes risk assessment and the integration of destructive factors in an attempt to eliminate the crisis.

2. Preparation: It means preparing for dealing with crisis situations. The specific work includes establishing an early warning mechanism and training plan, and carrying out lifebuoy operation drills, diving and first aid training.

3. Response: Try to deal with the crisis that has happened. The work involved mainly includes impact analysis, treatment plan, skills training and audit. The treatment plan includes three aspects: evacuation plan, coping management plan and psychological trauma and stress management plan.