Heavy metal pollutions in soils and sites are becoming more and more serious,and their remediation is receiving extensive attention nowadays.Due to its low-cost and environment-friendly,phytoremediation is considered to be a potential usable technique for soil remediation.During the past decades,there have been significant improvements in phytoremediation,including plant species scanning,remediation control techniques,post-treatments of plants bio-mass,demonstration in field-scale,and practical applications.This review provides an overview of the development and application of phytoremediation on the remediation of heavy metal contaminated soils and sites.