In this paper based on the dynamic risk management system the practical construction risks are identified, analyzed and controled with the system.

Based on the survey of the research for risk management theory,it puts forward a process-oriented and dynamic risk management system of construction projects,which is helpful to manage risk dynamics o.

Statistics says that it is of great necessity to establish a dynamic risk management model, in line with the characteristics of security investment foundation, to realize the reasonable distribution of investment capital and risky capital and to gain the investment profit on the prerequisites of successful risk managem.

Study on the risk management system of equipment project;

On constructing the total risk management system for colleges;

These measures mainly included: establishing the risk management system for the construction of urban underground projects and performing safety risk management;making scientific and reasonable standards for .

While stressing public risk analysis, the paper introduces vulnerability analysis and puts forward risk information sharing mechanism and communication mechanism in order to explore a set of research methods of dangerous chemicals logistics public risk management system.