Ridge tillage is a kind of soil and water conservation tillage used frequently in the rainfed farmland of sandy areas.Through field observat ion and analysis of soil samples, effects of the practice were studied on growing environment of rape.The results indicate that compared with flat tillage, ridge tillage increased soil moisture of the plow layer, reduced moisture fluctuation during the growing season of rape, and altered distribution of soil moisture in the vertical profile, locating wetting front in the plow layer, which alleviated drought stress on rape growth.In addition, it also reduced the content of erodible particles in the soil, increased roughness of the land surface and vertical wind velocity grads, thus efficiently reducing soil erodibility and wind speed near the land surface, which played an important role in preventing soil wind erosion and protecting crop seedling.Comparison between various structures of ridge tillage showed ridge t illage with ridges 15 cm high and a height spacing ratio of 1/12 (T₃) and ridge tillage with ridges 25 cm high and a ratio of 1/24 (T₄) did better in rainfall harvesting during the growing season of rape, while ridge tillage with ridges 25 cm high and a ratio of 1/6 (T₂) did better in preventing soil wind erosion during the fallow period of cropland.So ridge tillage with a reasonable structure is an effect ive measure in adjust ing micro-land-use structure in the rainfed farmland of sandy areas.