Abstract: The standby power system is composed of the battery and power management system, starting from these points, the development status of the non-mine field is introduced, and the standby power system of mine safety monitoring is analyzed. Combined with the special application environment of mine, some key mechanism factors are analyzed which cause backup battery failure, and main development trends are pointed out about the standby power system research of mine safety monitoring, such as the battery selection optimization, charging technology optimization, intelligent and adaptive monitoring, network construction, integration, high density and high frequency, standby time extension, etc. It provides a new idea for further research.