Abstract: The relationship between green product design and sustainable development was expounded.Green product design is one of the efficient means to realize sustainable development.The essential difference between green product design and traditional product design is that in the former the environmental behavior of product has been considered.Dematerialization,recycle,eco label,propaganda and education,and governmental administration are the approaches that may be adopted in green product design.Green product design should become an important component of China′s sustainable development strategy.

Key words: horizontal gene transfer, exogenous plasmid isolation by triparental mating, broad host range plasmid, degradation of petroleum hydrocarbon, bioremediation.