The present invention relates to an integrated safety management system and an integrated safety management method using the same, which can monitor a gas storage unit which is remotely distributed and the surroundings of the gas storage unit in real time, while guaranteeing communication safety of a repeater and safety of power applied to the repeater, thereby establishing a stable wireless communication system. To this end, the integrated safety management system of the present invention is an integrated safety management system which monitors gas leakage at an installation location including the gas storage unit and the surroundings of the gas storage unit, and comprises: a power unit which supplies power; a sensor unit which generates a detection signal by detecting at least one among leaked gas of the installation location, the temperature of the installation location, the pressure of the installation location, and the vibration of the installation location; and a repeater which generates at least one among a reception event in accordance with the analysis of the detection signal, a power abnormal signal in accordance with the reliability evaluation of the power and a communication abnormal signal in accordance with the reliability evaluation of wireless communication, and collects processing information including at least one among the reception event, the power abnormal signal and the communication abnormal signal, before matching the same with recognition information of the repeater for transmitting the same through the wireless communication.
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