The ERA-Interim surface temperature data from European Centre for Medium-Range Weather Forecasts (ECMWF) are used to analyze the spatial and temporal variation of the seasonal surface temperature over the Tibetan Plateau using Empirical Orthogonal Function(EOF).The results show that in spring,summer and winter,the surface temperature tends to increase in the whole Plateau without obvious spatial variation;while in autumn,surface temperature tends to decrease slightly in most area,and a significant opposite variation trend exists between the eastern and western area of the Plateau.In addition,there are some definite relations between the surface temperature anomaly variations in different seasons,and the integral type can last for 3 seasons.