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Aiming al offering more profound and clear understanding of product environmental footprint ( PEF) for scholars, PEF main content was concluded from its meaning and implementation steps, by collecting PEF relative information, reading and referring to the literature and guide. Then, the relationship with EU environmental policy was analyzed. Product environmental sign and organisational environmental footprint (OEF) were also introduced. Meanwhile, considering the effects to Chinese export trade, some measures were suggested. The results indicate that most content of PEF is the same with life cycle assessment (LCA) , but PEF is more clearly and detailed, with strict requirements, offering a more uniform implementation standard. [ABSTRACT FROM AUTHOR]