长三角是我国经济发展最活跃、开放程度最高、创新能力最强的区域之一，在全国经济中具有举足轻重的地位。近年来，在新一轮科技革命和产业变革的大趋势下，长三角各省市都不约而同地把发展数字经济作为推动产业升级和区域发展的重要引擎。因此，分析研究长三角数字经济发展情况具有重要意义。本文从规模增速、政策文件、产业布局、园区布局、重点城市等方面全面梳理长三角及各省市的数字经济发展情况，以期为未来发展实践提供有益参考。
The Yangtze River Delta is one of the regions with the most active economic development，the highest degree of openness and the strongest innovation ability in China，and plays an important role in the national economy. In recent years，under the trend of a new round of scientific and technological revolution and industrial reform，all provinces and cities in the Yangtze River Delta take the development of digital economy as an important engine to promote industrial upgrading and regional development. Therefore，it is of great significance to analyze and study the development of digital economy in Yangtze River Delta. This paper comprehensively combs the development of digital economy in Yangtze River Delta and other provinces and cities from the aspects of scale growth，policy documents，industrial layout，park layout and key cities，so as to provide useful reference for future development practice.
