Substation grounding line intelligent management system, it mainly constitutes its characterized in that by ground wire manager and computer anti -misoperation lockout device the ground wire manager include ground wire management host computer and ground line detection blocked mechanical system, ground wire management host computer pass through RS232 or RS422 or ethernet and computer anti -misoperation lockout device communication connection, ground line detection blocked mechanical system installed in the ground wire stake that has the ID sign indicating number to through RS485 and ground wire management host computer communication connection, every tableland line detection blocked mechanical system carries out state acquisition and unblock or shutting operation corresponding to a set of earth connection that articulates in corresponding ground wire stake, computer anti -misoperation lockout device mainly constitute by five -prevention, ground line detection blocked mechanical system include still that one sets up the detection device that can read ground wire stake ID sign indicating number and have the wireless transmission ware on the earth connection, this detection device passes through the wireless transmission ware through wireless router and network controller's wireless connection.