The invention relates to the technical field of a dust reducing device and discloses a mine touch automatic watering and dust reducing device. The device includes a cabinet, wherein one side of a bottom portion of the cabinet is welded with support legs, bottom ends of the support legs are movably connected with top ends of wheels, bottom ends of the support legs are in thread connection with a hollow block, the wheels are arranged in a cavity of the hollow block, the other side of the cabinet is fixedly equipped with a support device, a bottom portion of a cavity of the support device is movably connected with a bottom portion of a water tank, and a back surface of a cavity of the cabinet is fixedly equipped with a controller. The device is advantaged in that through matching of the support legs, the wheels and the hollow block, the position of the automatic watering and dust reducing device can be better moved and fixed, flexibility is improved, problems of complex movement process and relatively long time are solved, and flexibility is improved.