In scenarios such as Industry 4.0, smart cities, and emergency command, traditional cellular networks have problems such as coverage blind spots, network congestion, and poor invulnerability. It is difficult to meet real-time requirements, especially in high-density device access, complex terrain or mobile scenarios. 5G+MESH networking technology can build a highly elastic and decentralized communication network by integrating the high speed and low latency of 5G with the self-organization and multi-hop transmission characteristics of MESH network, suitable for factories, ports, Kuangqu, disaster rescue and other scenarios.