The "meta universe" in the context of 2021 has surpassed the "meta universe" recognized by "Avalanche" in 1992: it has absorbed the information revolution (5G/6G), the Internet revolution (Web3.0), and artificial intelligence. The revolution, as well as the results of the virtual reality technology revolution including VR, AR, and MR, especially game engines, showed humans the possibility of building a holographic digital world parallel to the traditional physical world; it gave rise to information science, quantum science, and mathematics The interaction with life sciences has changed the scientific paradigm; it has promoted breakthroughs in the traditional philosophy, sociology, and even the human sciences; it encompasses all digital technologies, including the achievements of blockchain technology; it has enriched the digital economy transformation model and integrated De -Fi, IPFS, NFT and other digital financial achievements.