System for safety management of worker

PURPOSE: A safety management system for a worker is provided to supply the corresponding situation to the worker through a local area network when the worker enters a danger area or a limited area, thereby preventing a negligent accident. CONSTITUTION: A safety sensor(100) measures a location and a safety state of a worker. A plurality of information transmitters(200) transmits sense information sensed in the safety sensor. An information collector(300) collects the sense information of the worker from the information transmitters. A field management unit(400) checks a safety state of the worker from the sense information of the information collector. A central management unit(500) manages the safety state of the total worker. [Reference numerals] (100) Safety sensor; (200) Information transmitter; (300) Information collector; (400) Field management unit; (500) Central management unit; (600) Remote inquiry terminal