Safety production is the top priority of the power industry, due to natural disasters and other problems caused by power supply interruption is inevitable, once the repair is not timely will cause great loss of life and property. When there are natural disasters and other sudden emergencies, the original power inherent communication facilities are often paralyzed or unavailable, wireless self-organizing network by virtue of rapid networking, mobile and convenient characteristics of the power emergency communications one of the preferred; but the network capacity is limited has become a large-scale Wireless Mesh Network in the application of power emergency bottleneck, MIMO technology can effectively improve the link transmission rate, improve network throughput performance. MIMO technology can effectively increase the link transmission rate and improve the throughput performance of the network Based on this research background, this paper effectively combines the wireless self-organizing network routing protocol with MIMO transmission mechanism, which improves the overall performance of the network, and enhances the security capability of the power emergency communication system.