Proposal：National High Technology Research and Development Program of China (863 Program) Investigator：Changzhou Yan Periods：2013.01-2016.12 Abstract: With rapid urbanization and industrial transfer in China, overall situation of soil pollution in contaminated sites is not optimistic. Soil pollution in some areas is serious. It is urgent to control and restore contaminated sites for protection of living environment safety, human health and social stability. Aimed at the requirements of social economy development and the bottleneck problems of polluted soil remediation and contaminated sites management, this topic has studied assessment and comprehensive integration of remediation technologies, and management support technology, to improve and perfect the technology system of risk assessment of contaminated soil and sites, and to construct China's contaminated soil and site remediation comprehensive management system. The concrete contents include：risk identification and assessment, remediation technology comprehensive integration and assessment, risk management policy system of contaminated soil and sites, etc.