The utility model provides a doublestage sprays road bed material curing means, the water source is connected to inlet tube one end, and the other end is connected with high pressure water pump, is connected with the rubber tube through high pressure water pump's water route, rubber tube and hierarchical water piping connection, hierarchical water pipe is fixed on the rotation axis, two sets of hydraulic jack's bottom is fixed in the frame, and hydraulic jack's the bottom of stretching out end and slide links to each other, driving motor's output shaft passes through the reduction gear and is connected with the rotation axis, the rotation axis other end passes through bearing and slide intermediate junction. Be equipped with one -level shower nozzle, second grade shower nozzle on the hierarchical water pipe. The utility model discloses utilizing hierarchical water pipe, doublestage shower nozzle to shunt the high -pressure rivers of pump income and spilling cloth, the scope water yield bigger, that spill cloth of spilling cloth is more, can effectively promote the maintenance level of road bed material.