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Inspection operation safety interlocking monitoring system for the daily maintenance process of metro vehicles there are contact network misfeeding, operators mistakenly into the area with electricity, mistakenly hanging grounding wire and other safety problems, through fault-safe interlocking control technology, face recognition technology, video linkage technology, image recognition technology, to achieve automatic interlocking control based on the actual state of the disconnecting switch, grounding device, platform door lock and other equipment, to protect the contact network disconnection and power supply and roof operations personnel personal and equipment safety, to achieve the safety control of personnel in the process of operation, greatly improving the efficiency of disconnection and power supply operations.