Highquality development is an inevitable choice for building a strong, socialist, modern country; and the modern economic system is the realistic basis for supporting the development of high quality. The modern economic system can only highquality economic development on multiple levels by cultivating the modern power system, constructing the modern industrial system, developing the modern supply system, and improving the modern institutional system. The core of cultivating the modern dynamic system is to build a national innovation system to improve the deep integration mechanism of scientific and technological innovation and economic and social development and implement the innovationdriven. The construction of the modern industrial system needs to be based on the coordinated development of the real economy, scientific and technological innovation, modern finance, and human resources to achieve the full and coordinated development of the three industries. The focus of developing the modern supply system is to optimize the public goods supply system and improve the policy supply system at the macro level. Perfecting the modern institutional system requires the establishment of an orderly and competitive market system, the promotion of a fair income distribution system, a coordinated urbanrural regional development system, an environmentally friendly green development system, and a safe and efficient comprehensive open system.

highquality development; modern economic system; modern power system; modern industrial system; modern supply system; modern institutional system