Handheld fire extinguishing rod

The utility model relates to a handheld fire extinguishing rod which comprises a barrel body, a front sealing cover arranged at one end of the barrel body and a rear sealing cover arranged at the other end of the barrel body, a piston is arranged in the barrel body in a sliding mode, a fire extinguishing agent containing cavity is formed between the piston and the front sealing cover, and a high-pressure gas cylinder containing cavity is formed between the piston and the rear sealing cover. The high-pressure gas cylinder is arranged in the gas cylinder seat, a nozzle for spraying out a fire extinguishing agent is arranged on the front sealing cover, the high-pressure gas cylinder is arranged on the gas cylinder seat, a gland is arranged on the rear sealing cover, the firing pin is locked on the gland at the tail end through threads, and the tip end of the firing pin is close to the opening of the high-pressure gas cylinder. The fire extinguisher is small in size, simple in structure, flexible to operate, conv