The invention discloses a vehicle-mounted air-drop type forest
fire extinguisher which comprises a cylindrical main body part, an air cap, an umbrella cover and a
tail wing, wherein the air cap is arranged at the front end of the cylindrical main body part; the umbrella cover is arranged at the rear end of the cylindrical main body part; the
tail wing is arranged at the
tail part of the umbrella cover; the air cap is separated from the cylindrical main body part by virtue of a pressure-bearing seat; the cylindrical main body part is separated from the umbrella cover by virtue of an ejection seat; a
fuze of which the section is convex is arranged in the umbrella cover, the protruding part props against the end part of the conical inner surface of the umbrella cover, and the bottom of the
fuze is fixedly arranged on the bearing seat; a gap between the bearing seat and the ejection seat is filled with a fire extinguishing agent; one end of a long-strip-shaped central
detonator is fixed together with the bearing seat, and the other end of the central
detonator is suspended in the fire extinguishing agent; the interior of the umbrella cover is filled with a
brake parachute; a bomb-parachute connector connected with the
brake parachute is fixedly arranged in the middle of the end surface, which faces the umbrella cover, of the ejection seat; and a
cutting rope is arranged at the upper end, which faces the umbrella cover, of the ejection seat. According to the
fire extinguisher disclosed by the invention, each part is reliable in connection, and the filling quantity of the fire extinguishing agent is increased, so that the fire extinguishing efficiency is high.