Abstract: With the rapid development of economy in China, the contaminated soil is becoming a typical geoenvironmental engineering topic. Based on the extensive investigations, this paper presents the research status contaminated soils: the mechanism for the property changes; comparative study of different types of contaminated soils. The paper also presents the different remediation techniques:  biological, physical and chemical as well as combined remediation methods.

Key words: Contaminated Soils, Influence Mechanism, StateoftheArt, Remediation Technique