Warning device for environment management

The utility model relates to the field of environment management, and discloses a warning device for environment management, which comprises a support frame; the universal wheels are fixedly connected to the bottom of the supporting frame; the folding part is arranged on one side of the supporting frame; and the telescopic part is arranged in the folding part. The folding part comprises a fixed plate which is fixedly connected to one side of the support frame; the sliding rail is fixedly connected to one side of the supporting frame. A folding plate is rotationally connected to one side of the fixed plate through a bearing seat, a telescopic groove is formed in the folding plate, and when an extension plate is stretched through a telescopic part, a connecting groove and a clamping groove coincide, so that a movable block and a first spring are not extruded any more, the movable block and the clamping groove are connected in a clamped mode, and the clamping effect is improved. And due to the particularity of t