The emphasis of Marx and Engels’ theory of productive force lies in the restrictive effect of capitalist productive relations on the development of productive force. Members of the Communist Party of China have made a series of important theoretical achievements in the process of combining Marxist productivity theory with China's specific reality. In the practical context of socialism with Chinese characteristics in the new era, the thought of new quality productive force has made original explanation of the development of productive forces under established productive relations, profound explanation of the development law of socialist productive forces, especially the development law of socialist productive forces with Chinese characteristics in the new era, and comprehensive explanation and development of the theory of contradictory movement of productive force and productive relation.