Fire extinguishing device with prompting function

The utility model relates to a fire extinguishing device with a prompting function. The fire extinguishing device comprises a box, a smoke detector and a Bluetooth transmission device, wherein two LED (Light-Emitting Diode) warning lamps are arranged on the smoke detector as well as the box; the smoke detector is connected with an alarm through a circuit board; the Bluetooth transmission device and a prompting lamp are further arranged on the smoke detector; the prompting lamp is connected with the smoke detector through a single-chip microcomputer and a lead. The smoke detector and the Bluetooth transmission device are arranged on the box, the alarm sounds in case of fire, and the LED warning lamps and the prompting lamp on the box flash continuously, so that people can find fire extinguishers or fire hydrants conveniently and rapidly in case of fire, and unnecessary losses caused by spreading of fire due to failure in finding any fire extinguishing device are avoided. The fire extinguishing device is simple