Provided is a forest-fire-extinguishing bomb, comprising a bomb body (1), a fire-extinguishing trigger device and a central explosion tube (3), wherein a trigger end of the fire-extinguishing trigger device is connected to a trigger end of the central explosion tube (3), the central explosion tube (3) is provided inside the bomb body (1), and the bomb body (1) is internally filled with a fire-extinguishing agent. At least three rotating tail wings (2) are comprised, wherein the at least three rotating tail wings (2) are provided around an outer wall of the tail of the bomb body (1) in a rotating manner; during the falling of the bomb body (1), the rotating tail wings (2) form a rotational flow at the periphery of the bomb body (1), enabling the rotation of the bomb body (1) to be accelerated; and an inertia force generated by the acceleration of the rotation of the bomb body (1) and an explosive force generated by the explosion caused by the fire-extinguishing trigger device triggering the central explosion tube (3) enable the fire-extinguishing agent internally filled in the bomb body (1) to be diffused in a wide range. According to the forest-fire-extinguishing bomb, setting at least three rotating tail wings (2) at the outer wall of the tail of the bomb body (1) in a rotating manner enables the bomb body (1) to rotate at a high speed in the horizontal direction during the falling, providing power for the diffusion of the fire-extinguishing agent and sand after the bomb body (1) explodes, thereby improving fire-extinguishing efficiency of the fire-extinguishing bomb.
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