Abstract: The concept of "new quality productive forces" is a major innovation in the theory of productive forces,which profoundly reveals the new needs,new trends and new ideas of the economic development of China and even the world.The theory of new quality productive forces deepens the understanding of the law of the development of productive forces,enriches the connotation of Xi Jinping Thought on economy,and is an innovation and development of Marxist productivity theory in the new era of socialism with Chinese characteristics.This concept is a subversive breakthrough and fundamental jump to the traditional productive forces,and its core lies in the formation of advanced productive forces with the characteristics of high technology,high efficiency and high quality through technological revolutionary breakthroughs,innovative allocation of production factors and in-depth industrial transformation and upgrading.The new quality productive forces represent an advanced productivity quality state which accord with the new development concept,with the innovative quality state to realize a new leap,the developing quality state to cultivate a new kinetic energy,the scientific and technological quality state to reshapes the form,and the green quality state to promote the sustainable development of the productivity.New quality productive forces emphasize the expansion,infiltration and optimal combination of innovation in various factors of production,and promote the evolution of productive forces to a higher and more advanced quality,bringing a far-reaching impact on the economy,society,culture and so on.The development of new-quality productive forces can effectively solve the problem of unbalanced and inadequate development in China,promote high-quality sustainable development,and help to realize Chinese modernization.The theory of new quality productive forces provides scientific guidance and fundamental compliance for comprehensively promoting the construction of Chinese modernization.In the face of a new round of scientific and technological revolution and industrial reform,we should closely focus on the cultivation and development of new quality productive forces,form a new driving force for transformation and new momentum for development,and constantly accumulate energy for economic and social prosperity and development.

Key words: new quality productive forces, production relations, technological innovation, high-quality development, sustainable development, Chinese modernization, Xi Jinping Thought on economy