Abstract: In July 2009, we monitored three vital soil properties:water content, electrical conductivity (EC) and temperature from different types of soil on Tibetan Plateau, using W.E.T Sensor produced by Delta-T company.we acquired nineteen section data which have two hundred observations.Preliminary analysis of these data showed that three vital soil properties with the same underlying surface soil have changes by elevation changed, and this change in the different types of underlying surface changes are different;the relationship between three vital soil properties may be subject to the impact of underlying surface types, the soil temperature and electrical conductivity changes in more or less uniform, while the water content changes and the changes in temperature and Electrical conductivity is not related to trends in shrub land, in grassland soil electrical conductivity and water content has the opposite trend, while the changes in temperature and water content and electrical conductivity changes are not related to the trend.