The present invention is a rearview mirror for a tiller equipped with a warning light, the height of the warning light and the rearview mirror mounted on the tiller body by the support bracket can be adjusted, by adjusting the height of the warning light and the rearview mirror at various heights for the user's convenience It is possible to use, and to adjust the rotation of the rearview mirror to allow the tiller driver to secure the rear view to induce safe driving, and to provide a tiller rearview mirror equipped with a warning light to facilitate the operability and ease of use. To this end, the present invention, the bolt hole 11 is to be bolted to the cultivator body (1) through the inner surface of the support bracket 10 and the first half hook portion 12, 13 formed on each side； A warning light 20 having a supporting rod 21 fitted into the first hook portion 12 at a lower side thereof； It is characterized in that the rear view mirror 30 is formed that the hook rod 31 fitted into the second hook portion 13 is formed on the lower side. The adjusting hole 14 is further formed through the first and second hangers 12 and 13 of the support bracket 10, and is screwed from the outer surface of the first and second hangers 12 and 13 to thereby Hanging rods of the support rod 21 and the rearview mirror 30 of the beacon 20 in a state where the heights of the beacon 20 and the rearview mirror 30 which are respectively hung on the first and second hangers 12 and 13 are adjusted. 31) is provided with a height adjusting device 40 for fixing. The rearview mirror (30) includes a hook rod (31) configured at a lower side to be fitted into the second hook portion (13)； An extension 32 extending horizontally to one side of the upper end of the hook rod 31； A hinge part 34 hinged by a hinge pin 33 at an end of the extension 32； A rearview mirror support (36) extending from the hinge portion (34) and vertically bent downwardly and having an adjustment ball (35) formed at the botto
