This book is the collective achievement of the ZGC Global High-level Think Tank Alliance. It covers academic articles and research reports written by more than 20 well-known experts in China on Beijing's promotion of digital innovation for  "The Belt and Road" initiative. The book can be divided into 3 parts:1. International Cooperation; 2. Practice in Beijing;3. Digital Transformation. The chapter on international cooperation includes the articles as follows: current situation and prospects of China's scientific and technological cooperation along the "Belt and Road", International cooperation to support the construction of the green Belt and Road, and Practical basis and practical path of deepening the digital economy cooperation among countries along the "Belt and Road". The Chapter on practice in Beijing contains the achievements and prospects of Beijing's efforts to promote the "Belt and Road" digital economy, the research on Beijing's accelerating high-quality development according to "Belt and Road Initiative", the research report on Beijing's "specialized, refined, and new" enterprises, and the construction of the "Digital Silk Road". The Chapter on Digital Transformation focuses on the strategic direction and path of digital transformation, the digital transformation of the manufacturing industry, and the promotion strategy of intelligent manufacturing. Throughout the book, there are not only macro level discussions on institutional mechanisms, models and paths, but also micro level thematic analysis on digital transformation, fostering SMEs( small and medium enterprises), and other aspects. There are also vivid cases and presentations of practice on the meso level of Beijing's participation in the " Belt and Road" scientific and technological cooperation. The book is clear in level and rich in content. It has enlightenment and reference value for further promoting digital innovation and international cooperation for the "Belt and Road”.