Abstract: The three years of severe epidemic sweeping the world did not destroy China's economic development. During the epidemic, China's economy still maintained a relatively low economic growth, and the epidemic recovered rapidly. However, to determine the high-quality development trend of China's economy, a theoretical objective understanding and analysis are needed. This article on the basis of marxist political economy new era development "new quality productivity" the latest theoretical achievements and labor analysis, for the reality of China's economic fundamentals and trend analysis, determine the reform and opening up after China's labor force increasingly strong and damage, and labor object did not reduce the technical level and scale construction, can support rely on the overall development of intelligent labor is reflect "new quality productivity" digital economy development after the outbreak of China's economy to continue the high quality development. What's more, the gradual formation of the household robot market will become a new economic growth point in China's economic development. Therefore, with the effective solution of rural revitalization, stock market regulation, high level of external opening up, high-level development of science and technology and reform of higher intelligent education and basic problems, China's economy will rely on the development of "new quality productive forces" and usher in the second economic development climax after the reform and opening up.

Key words: new quality productivity, labor analysis law, digital economy, the point of economic growth, high-quality development