The power transmission project construction causedserious soil erosion. In order to better conduct soil and water conservation and improve the effect of soil and water conservation, the case of Ganzhou South 500KV power transmission project of five year service was used in this paper. The figures of the soil and water loss were analyzed, the experience and management practices in soil and water conservation design were concluded, and the results of this paper provided a reference for soil and water conservation in the similar projects.