Faced with the challenges and opportunities of the Digital Age, China Railway Construction Corporation Limited, as a giant in the traditional infrastructure industry, has encountered many difficulties and challenges in the introduction and application of building information model (BIM) technology, examples include technology integration, employee training, data management, and cost control. What makes this case unique is that it explores how to drive technological innovation and digital transformation in a large state-owned enterprise, providing valuable insights into the digital trends in the global construction industry. In addition, China Railway Construction Corporation Limited as an industry leader in the face of the challenges of digital transformation of the experience for other enter prises to provide valuable reference and inspiration. It is worth thinking about how to effectively promote technological innovation in large and complex enterprises? Can China Railway Construction Corporation Limited provide experience for other enterprises in digital transformation?