The features of yohimbine hydrochloride absorbing on the strong acid cation exchange fiber were characterized by SEM and IR. Then the absorption kinetic data of yohimbine hydrochloride by strong acid cation exchange fiber were fitted by the pseudo-first-order kinetic model and pseudo-second-order kinetic model. The adsorption process was better described by the pseudo-second-order model，and the apparent activation energy of reaction (Ea) was 14.39 kJ•mol-1. The absorption speed controlling step was liquid film diffusion. The rate constant of Boyd film diffusion kB increased from 0.170 to 0.186 min-1 and the effective diffusion coefficient D increased from 2.755 10-11 to 3.017 10-11m2s-1 with the increase of initial yohimbine hydrochloride concentration from 100 to 300 mg/L.