I. Introduction
The advent of the metaverse boom in 2021 indicates that new changes will take place in the way of human society and communication in the future. People join the virtual world with their digital identity. In the metaverse, they are free and independent. People's image in the virtual world is not necessarily the same as that in the real world. People can create a new digital identity for themselves. The world of metaverse pays more attention to the sense of experience, which will bring people a better world. The development of metaverse depends on the support of bottom and front-end technology. In terms of underlying technology: artificial intelligence, network and computing technology, VR technology, 5 g network, cloud computing, visualization and digital twins are important supports. The front-end devices in the metauniverse include VR, AR, interactive control, neural devices and so on (Fig. 1).
Metaverse ecological map