Safety warning device for municipal engineering construction

The invention relates to the technical field of safety warning devices, and discloses a municipal engineering construction safety warning device which comprises a warning assembly. The warning assembly comprises a base, the top of which is fixedly connected with a supporting rod; the adjusting rod is connected to the interior of the supporting rod in a sliding mode; the warning board is fixedly connected to the top end of the adjusting rod; an adjusting assembly is arranged in the supporting rod; the warning board has the advantage of being convenient to adjust, during adjustment, the bolt is rotated, the limiting block slides out of the hole bodies, the warning board is pulled upwards and rotated, the height and the angle of the warning board are adjusted at the same time, finally, the bolt is reversely rotated, the limiting block is embedded into the other hole body, adjustment is completed, the height and the angle of the warning board are adjusted at the same time, and adjustment is convenient. The practi