Based on the NCEP/NCAR monthly reanalysis data from 1960 to 2010,this paper analyzed the variation characteristics of summer land surface temperature in Eurasian continent and its relationship with atmospheric circulation by using the empirical orthogonal function(EOF) method.Results show that mean square deviation of Eurasian summer land surface temperature in high latitudes is greater than that in low latitudes.The main feature of summer land surface temperature in Eurasian continent is the consistent variation pattern in the whole region.Except for cooling trend on the east side of Tibetan Plateau,warming trend exists in other areas of Eurasian continent,especially in 40—65°N.Secondly,summer land surface temperature shows “-+-” anomalous pattern in high latitudes.Westerly circulation index closely relates to the warming temperature,while the EU index closely relates to the anomalous pattern of summer land surface temperature in middle and high latitudes.Based on the climate features and spatial-temporal features of summer land surface temperature in Eurasian continent,five key areas have been identified.The indices in the five key areas have warming trend,but their change features are different.The different abnormal circulation patterns correspond to the different indices in the five key areas,and the circulation factors which closely relate to land surface temperature in the five key areas are different.