Abstract: Digital transformation is an inevitable requirement for the development of the information society. In the wave of digital transformation, Big Data, Artificial Intelligence and Blockchain technology cooperate and integrate with each other, pushing the future of digital transformation to a higher level. This article takes digital transformation as the starting point. First of all, it fully understands the value of big data, its development direction and key driving factors.Second, it reveals the direction of the information infrastructure driven by big data as its core driving factors in the process of digital transformation. Finally, the collaborative development relationship between the Big Data, Artificial Intelligence and Blockchain technology in the era of digital transformation and the role of jointly promoting comprehensive digital transformation is explained.

Key words: digital transformation, Big Data, Artificial Intelligence, Blockchain