The people's behaviour roomage and the thinking characteristics when they are
facing the urgencies and avoiding the dangers are discussed from the basic principles of the
evironmental psychology, such as the life instinct, the instinct of tending to light, the instinct
of following somebody, the instinct of shunning themselves and so on .The people's inbeing and
genius are discovered or emerged without omitted in the urgency due to the abruptness,
complexity and death of the accidents,and considered cautiously these factors in the planning to
deal with emergencies and to rescue in a disaster.