The identification resolution system for industrial Internet of Baotou Steel is connected to the national top-level node upward as well as radiates constituent companies in the whole industry chain and various application systems downward to form such typical application modes as enterprise management, manufacturing, product tracing, supply chain management and life cycle management so that the effects of reducing costs, improving quality and increasing efficiency are gradually emerged. Meanwhile, it will help enterprises get through data sharing channel, realize full control of different objects and full service of different products, effectively promote prosperity and development of identification system + integrated innovative application, further promote deep integration and high-quality development of industrial Internet and real economy as well as help enterprises accelerate digital transformation and upgrading through the application researches of identification resolution system for industrial Internet in the iron and steel industry.