To promote the deep integration of China’s digital economy and real economy, it objectively requires the establishment of an analytical framework that can assess the integration of the two. This article connects with the national economic accounting system, establishes an input-output table for the reproduction process of China’s digital economy, and integrates the digital economy sector and the real economy sector under a unified framework to quantitatively analyze the integration basis and degree of the two. Research has found that: (1) The proportion of China’s digital economy industry to GDP has increased from 14.35% to 17.76%, with a sample period growth rate more than twice that of the same period’s GDP. The deep integration of China’s digital economy and real economy has a solid empowerment and integration foundation. (2) The continuous deepening of the integration between China’s digital economy and the real economy indicates that the empowerment and integration of the digital economy on the real economy are accelerating. (3) The demand and supply driving effects among various departments within the digital economy are mainly indirect, and the direct effect is not strong, indicating that the integration within the digital economy industry needs to be strengthened. This article provides theoretical support for a profound understanding of the relationship between China’s digital economy and real economy.