DT (DataTechnology) stands for Data Processing Technology, which represents the importance and influence of data technology in today's information age.The DT era emphasizes data as the core to improve productivity and service efficiency through data collection, storage, analysis and application. In the DT era, data is regarded as an important asset, and the development and utilization of data technology is crucial for enterprises and individuals. Jack Ma mentioned in his speech that "mankind is moving from the IT era to the DT era", indicating the importance of data technology in future development. With the continuous development of big data, artificial intelligence, cloud computing and other technologies, the DT era will bring more innovation and opportunities for society, and promote industrial and economic development.