In the paper

saturated mass water content and saturated hydraulic conductivity for different hulk densities were measured by the method of fixing bulk density of olefin. Effects of bulk density on the two parameters were analyzed. The results showed that saturated mass water content decreased with the increment of bulk density and was inverse to bulk density. Saturated hydraulic conductivity tended to diminish in power function when bulk density increased. The researches will provide appropriate function quantificetionally to build innovative frame on water movement theory for the soil with changing bulk density. It is helpful to utilize soil water resource reasonably.