Through the experiments of screening fillers and the runoff treatment effectiveness of the filler optimization combination multilayer infiltration filter,the paper analyzed the adsorption properties of ceramsite,rare- earth porcelain grit,zeolite and quartz sand to runoff major pollutants COD,Pb and Zn and studied the processing performance of rapid infiltration filter for runoff pollutants.The results showed that ceramsite,rare- earth porcelain grit,zeolite have better adsorption and ion- exchange properti...