Through experiments of static degradation and dynamic soil column, both purification efficiency of phenol and influences of reed wetland soil were studied. The results indicate that: Purification efficiency of phenol was better of wetland soil in which was not reed-planted; Both the residence time of phenol in soil and the range of particle size affected the adsorption ability of wetland soil; Through changing soil infiltration and physicochemical properties of rhizosphere, reed can affect adsorption ability of wetland soil on phenol.