The utility model discloses a device for a rubble sprays fast that is used for multi-functional road surface superthin layer rubble to spill shop, including air compressor, storage tank, pressure boost pipe and sandblast pipe, air compressor external power supply, storage tank, pressure boost pipe and sandblast pipe all be one at least, and air compressor is connected to pressure boost pipe one end, and the part of being unkitted the rubble on storage tank upper portion is connected to the other end, and air compressor is connected to sandblast pipe one end, and spout that another port sprays as the rubble is equipped with the interface on the pipe shaft of sandblast pipe, and the part that is equipped with the rubble in interface and the storage tank is connected, and the compressed air that air compressor produced manages the interior pressure boost of messenger's storage tank through the pressure boost to through sandblast pipe make the rubble gas pressure action down the blowout spill the shop fast with the realization rubble. The utility model discloses a control compressed air atmospheric pressure makes it to act on the rubble and realizes that the rubble spills shop, easy operation, economical and practical fast, the labor intensity of is reduced, improved the efficiency of construction, improved construction quality, also prolonged layer life that mat formation.