The utility model discloses a dual -purpose dirty -suction vehicle of environment -friendly, including main car and suction box, main car frame upside is equipped with the water tank, fan and suction box, main car frame downside left end is equipped with the engine, the right -hand gearbox that is equipped with of engine, the engine passes through the output shaft and links to each other with the gearbox, the gearbox is through belt pulley connection fan and the rotatory dish of sweeping, the rotation is swept the side of circling right and is equipped with dust extraction, the right -hand water absorption device that is equipped with of dust extraction, the inside left end below of suction box is equipped with header tank and pneumatic cylinder, the pneumatic cylinder rear is equipped with the header tank, the inside below of header tank is equipped with the suction pump, the pneumatic cylinder right -hand member is equipped with the telescopic link, the telescopic link right -hand member is equipped with the scraper bowl. The utility model discloses a setting of dust extraction, water absorption device, header tank and scraper bowl, reinforcing dust removal effect, can be quick scrape down adhesion matter is clear away, clears away the dust and the sewage of subaerial production effectively, has protected the environment, clean and tidy city.