That the speed making policy does not ask quickly with high , arbitrary dyadic or limited frequency democratic decision- making, is excellent only ask most effective and satisfied principal character being that scene crisis makes policy.

The scene crisis decision-making pattern is system from the scene crisis decision-making target, crisis decision-making wisdom help, crisis decision-making formula , crisis decision-making method composea.

Crisis decision-making, the challenge and countermeasure to the decision-making system of Chinese government;

Based on the study of the principles and obstacles of government affairs information collection in crisis decision-making,this paper constructs a model of government affairs information collection by combining the government crisis decision-making process.

Simulation of crisis decision-making is one of the most important application fields in it.

In recent years the public critical incident of our country have taken place frequently,has exposed the the deficiency of the traditional public crisis decision ability of governments and the defects of mechanism at all levels.

With an introduction to the composition of information system in crisis decision, this paper makes an analysis of the deficiency of China s public information system, and puts forward some suggestions on perfecting this system.