Abstract: Aiming at the special geographical environment in coal mine tunnel,this paper analyzes the problem of why LEACH protocol and multi-hop virtual MIMO will form "hot zone".Based on the problem,this paper proposes the MU-V-MIMO algorithm,and introduces the transmission model process and energy consumption analysis with the algorithm.Through the Matlab simulation,the vitual MIMO used of MU-V-MIMO algorithm is better than LEACH protocol in total network energy consumption,sensor networks life cycle and other performance,which is more applicable in coal mine tunnel.