Based on the monthly averaged maximum and minimum temperatures in Hexi corridor oasis from 1960 to 2005,the characteristics of spatiotemporal variation and the abrupt change are analyzed by the methods of climate tendency rate,5-year running means,and Mann—Kendall abrupt change test. Results are reported as follows:Firstly,the maximum and minimum temperatures increased obviously,the warming amplitude of minimum temperature is remarkably higher than maximum temperature,and the anti-symmetrical warming trends presented. Secondly,the warming amplitudes of maximum and minimum temperatures are obviously different in different regions. By the maximum temperature,the order is central partwestern parteastern part and by the minimum temperature,eastern partcentral partwestern part. Thirdly,the maximum and minimum temperatures increased during each season,but they are higher in winter than other seasons. Fourthly,the abrupt changes of maximum and minimum temperatures are apparent and they are different in different regions and seasons.