Heavy metal pollution in mining area is becoming worse and worse now and it is high costly to use traditional methods of physical and chemical Method of physical and chemical remediation it also causes environmental disturbances at the same time,but the remediation is more and more obvious by using phytoremediation ,which is easy to operate. This article provides a brief introduction on the phytoremediation effect, emphatically elaborates plant extraction role from the perspective of super-enrichment plant, the status of heavy metals in contaminated soils, adding a chelating agent to improve efficiency,and finally briefly introduc its application in mining area and existing problems.