Nowadays, cloud computing is an important infrastructure of the digital economy. In the background of digital transformation of the entire society, the global information and communication technology is entering the era of technological architecture migration. The digital transformation of enterprises is undergoing a transition from information management based on traditional IT architecture to intelligent operation based on cloud architecture. This is the digital transformation 2.0 era. How to balance the Internet mindset and traditional mindset during enterprise IT transformation? With the applications of 5G, AI, and IoT, 2020 is a key point for enterprises' full cloudification, and a starting point for new transformation.