Due to erosion and other reasons,loess slope is uneven and a variety of micro-topographies formed,which result in differences in soil physical properties in different spatial positions in Northern Shaanxi Province.This paper investigated and analyzed the soil physical properties of the micro-topographies in loess hilly-gully region.The comparison of five types of micro-topography with undisturbed slope showed that the soil physical properties of collapse,gully,ephemeral gully and platform increased to a certain degree,but decreased in scarp.This usually occurred in 0-20 cm soil layer.Soil bulk density of the 0-20 cm soil layer changed in the following order: undisturbed slopeplatformscarpephemeral gullygullycollapse.Soil water content,maximum moisture capacity,field capacity and capillary moisture capacity showed relatively similar trend,higher values being recorded in collapse,platform,gully and ephemeral gully than undisturbed slope and scarp.The change of soil total porosity,capillary porosity and non-capillary porosity coincide with soil water retention.The analysis of grey correlation between the five types of micro-topography and the soil physical properties indicated that grey correlation followed an order of collapse,gully,ephemeral gully,platform,scarp,undisturbed slope.