The utility model relates to an on - -spot fire fighter safety guarantee system puts out a fire, this monitored control system includes position detection module, installs on the protective equipment of fire fighter's dress, including the CPU controller and with radio frequency module, GPS orientation module, fall detection sensor and power module that the CPU controller is connected, radio frequency module connects the antenna, the detection terminal, with position detection module wireless connection, including the singlechip and with display screen, alarm device that the singlechip is connected are used for receiving in order to have the receiving module of the RF detection information that radio frequency module sent. The utility model discloses be favorable to monitoring put out a fire on -the -spot fire fighter positional information and state.