The discussion on data system in the era of big data

For a long time, people have been using information technology to improve the quality and efficiency of various business operations in enterprises, economy, government, society, etc., and have achieved remarkable benefits. This has also formed a mindset and habitual practices, which is business-centric, process-conduct, business-oriented and business-driven informative methods. With the development of the big data era and digital economy, the emergence of new technologies, the expectation of new demands, the generation of new ideas, and the exploration of new methods will break the outdated understanding and limitations of traditional methods in the past, and will open up a new pattern of information system construction and digital transformation that is centered on data, solidify the foundation of data resource system, and promote the circulation of data elements. This paper starts with the impact of data on the future of humanity, and analyzes and discusses the role, scope, composition, and implementation paths of new information system, namely data system, through comparing information and data. It proposes feasible and valuable solutions for the new digital transformation at various levels, the construction and capacity enhancement of data system supported by the "one-body-two-wings" data architecture.