The effect of PAM on the eluviations of N, P and K in the soil is studied. The results showed that the content of N, P and K in the soil soluble liquid decreased strikingly. The accumulative quantities of the N, P and K in soil soluble liquid decreased by 42. 40%, 43. 85% and 68. 19% compared with the accumulative quantity of control. In addition, the accumulative quantity N, P and K in the soil soluble liquid decreased further when the concentration of PAM increased.