This final paper explores the role of information technology (IT) in supply chain management, with a particular focus on the example of Deutsche Bahn. The paper begins with an overview of the basic concepts and processes of supply chain management, including different types of supply chains (agile, lean, and hybrid). The importance of integrating all participants in the supply chain to achieve maximum efficiency and end-user satisfaction is emphasized. The paper further analyzes various aspects of IT support in logistics, including technologies such as RFID (Radio Frequency Identification), electronic data interchange (EDI), and barcode systems. The application of these technologies in improving logistics processes, such as warehousing, transportation, and reverse logistics, is examined in detail. Special attention is given to RFID technology, its fundamental characteristics, advantages, challenges, and specific application within Deutsche Bahn's supply chain. The paper concludes that the application of IT systems in logistics is crucial for optimizing processes, reducing costs, and improving efficiency in the supply chain. Practical examples, such as the implementation of IT systems in Deutsche Bahn, demonstrate how modern information technologies can contribute to better planning, greater flexibility, and faster responses to market changes, thereby achieving a competitive advantage.