Abstract: This paper introduces the current environmental problems and the tasks of emission reduction of China in the national economic development. It analyzes the application bottlenecks of traditional "end treatment" and the possibility and necessity of implementing LCA by applying the basic theory and implementation framework of LCA which enjoys the full control concept on the basis of recycling economy and clean production. The existing problems by applying LCA evaluation theory in the non -ferrous metals industry are studied in accordance with LCA study survey and its application in the non-ferrous metals industry at home and abroad. Some suggestions and measures to better LCA evaluation are put forward.