In recent years，the scale of the digital economy around the world has continued to expand. As the two pillars of the digital economy，the proportion of the industrial digitization and digital industrialization has increased year by year，promoting the transformation of the traditional industrial economy to the emerging digital economy. As an important link of the national industrial chain，the digital transformation of steel industry is advancing comprehensively. The digital transformation of China’s steel industry has achieved remarkable results. With independent research and the help of social forces，the scale of online transactions and Internet logistics has grown rapidly. All world countries are actively preparing for the digital transformation competition. The developed countries represented by the United States，Germany，Japan，South Korea and the United Kingdom are taking industrial intelligence as the guide，increasing investment in new technologies to empower traditional industries to increase efficiency. Developing countries represented by India focus on new digital infrastructure，improve digital governance system，digital construction on the fast track of development. The world’s leading steel companies have deepened its digital transformation planning into the operations side，with each department developing in an orderly way to achieve continuous optimization of the user experience. In the future，the steel industry will face a stronger trend of digital integration，digitalization through all aspects of production，linking upstream and downstream enterprises to form industrial ecological clusters，which will gradually realize digital and intelligent driving from the region to the overall situation.