High-quality development is not only a process of promoting quality change, efficiency change and power change, but also a process of increasing the proportion of middle-income groups and optimizing the distribution structure. Promoting quality change, efficiency change and power change in economic development is an inevitable requirement in the stage of high-quality economic development and an important content to enhance economic competitiveness, innovation and risk resistance. The three have their own connotations and are an organic whole, so we can't just pay less attention to the rest.

Improve the quality of high-quality development through quality change. Quality change is the main body, including not only improving the quality of products and services, but also improving the quality of all fields and levels of the national economy. Improve the ideas and methods of quality improvement to a new height and realm, promote the survival of the fittest of enterprises and products, concentrate resources on high-quality enterprises and products, and form a number of high-quality brand enterprises and products.

Enhance the vitality of high-quality development through efficiency change. Efficiency change is the main line, the key to enhance China's economic competitiveness, and the support to achieve high-quality development. That is, breaking all kinds of institutional and institutional obstacles that restrict the improvement of efficiency, stimulating the vitality of enterprises, improving the relationship between supply and demand and improving supply efficiency through the combination of effective market and promising government.