Abstract The basic meaning of green chemistry includes microscopic,macroscopic and engineering significances.Green chemistry and green technology play an important role in social production and life,reform and innovation of traditional chemical industry,full utilization and recycle of resources,green purification and monitoring,environmental protection and development.The implementation of green chemistry and green system engineering technology can make social production and life greening,realize the friendly dialogue between human and environment,build environment friendly home,and create environment harmonious life.And this is an important measure for sustainable development and scientific development,and also the great challenge and opportunity facing human in present world.
