Abstract: Aiming at the communication requirements of modern mine area, the paper put forward a conception of mine next generation network MNGN, introduced global topology of multi-ring interlinkage MNGN, the topology model with multi-ring,designed general frame format of the ring label routing, gave the MNGN inter-ring automatic topology discovery algorithm for both inner-ring and inter-ring transmission in MNGN. It also point out the focus of future research is how to ensure the transmission performance of MNGN, especially in transmission performance of interring.