The empowerment of high-quality development by the digital economy is of great significance. Through modern information technologies such as big data and cloud computing, the digital economy enhances the overall efficiency of resource utilization, avoids resource waste caused by blind investment, and promotes high-quality economic development. At the same time, the digital economy also helps to facilitate the mutual penetration and integration of different industries, accelerate the digital transformation of manufacturing and the formation of new value chains, and is conducive to the formation of diversified profit models and the enhancement of industrial competitiveness. This book will briefly describe the empowerment of high-quality economic development by digital inclusive finance and the path of high-quality development of manufacturing under the background of the digital economy, explore the high-quality development of China's characteristic circulation industry, agriculture, new urbanization, and rural revitalization empowered by the digital economy, as well as the high-quality development of urban economy and China's export trade under the background of the digital economy, and analyze the high-quality development of Internet finance, the digital economy, innovation input and enterprise high-quality development under the background of the digital economy.