Portable fire extinguisher

The utility model discloses a portable fire extinguisher which comprises a fire extinguisher main body, a fire extinguisher liquid conveying main pipe is connected above the fire extinguisher main body, the fire extinguisher liquid conveying main pipe is fixedly connected with a converter straight rod, the converter straight rod is fixedly connected with a knob rod, and the knob rod is fixedly connected with a conversion knob. The converter straight rod is fixedly connected with a rotating device, the rotating device is tightly attached to a limiting plate, and the limiting plate is fixedly connected with a fire extinguisher opening. According to the portable fire extinguisher, two different fire extinguisher materials are arranged in the portable fire extinguisher, so that the portable fire extinguisher can meet the fire extinguishing requirements of fire disasters under various different conditions, and a conversion button capable of being automatically adjusted is arranged on the upper side of the portable