The report of the 20th National Congress of the Communist Party of China pointed out that high-quality development is the primary task of comprehensively building a socialist modernized country. Development is the key to solving all problems. High quality development is a development that takes innovation as the first driving force, coordination as the endogenous feature, green as the universal form, openness as the only way, and sharing as the fundamental purpose. It can fully meet the requirements of common prosperity of all people, harmonious coexistence between man and nature, and coordination between material civilization and spiritual civilization emphasized by Chinese path to modernization. It is the key to take a good path of Chinese path to modernization. High quality development lays a solid foundation for Chinese path to modernization. The core of high-quality development lies in high-quality economic development, promoting the transformation of the driving force mechanism of economic growth from factor driven to innovation driven, constructing a modern industrial system, and cultivating new economic growth points. In the past decade, China has implemented the new development concept and constructed a new development pattern, and the total economic output has continuously grown, accounting for over 18% of the global economy from 11.4% in 2012. In 2022, China's total economic output has exceeded 120 trillion yuan, reaching a new level; The overall contribution of China's economy to world economic growth remains around 30%, becoming the main driving force and stabilizer of world economic growth. Moreover, with the vigorous development of new industries, new formats, and new models, China's industrial structure is increasingly optimized. According to data from the National Bureau of Statistics, in 2022, the production of new energy vehicles, mobile communication base station equipment, industrial control computers and systems increased by 97.5%, 16.3%, and 15.0%, respectively, injecting new impetus into economic growth. High quality development gathers the power of Chinese path to modernization. Chinese path to modernization has always been people-oriented, adhere to the supremacy of the people, rely on the people for development, and develop for the people. Chinese path to modernization is the modernization of common prosperity for all people, and people's yearning for a better life is the starting point and end result of Chinese path to modernization. Compared with the traditional development path, high-quality development focuses more on balance, coordination and sharing, which meets the essential requirements of Chinese path to modernization. On the one hand, based on high-quality development, we will continue to promote economic growth and provide favorable conditions for "making a big cake"; On the other hand, taking high-quality development as the starting point, promoting the optimization and improvement of the system, providing strong guarantees for "dividing the cake well". In the past decade, the per capita disposable income of Chinese residents has increased by 78% in real terms, and the relative income gap between urban and rural residents has continued to narrow. According to the Blue Book of common prosperity: Research Report on China's common prosperity (2022), from 2013 to 2020, China's common prosperity Index increased from 24.67 to 44.23, an increase of 79.3%. In particular, seven secondary indexes, including economic development, social structure, residents' income and property, maintained a continuous upward trend. High quality development expands the road of Chinese path to modernization. Chinese path to modernization is the modernization of material civilization and spiritual civilization, and the modernization of harmonious coexistence between man and nature. High quality development not only focuses on economic growth, but also