Abstract: In this paper, the Yakeshi National Meteorological Station 1961-2010 and 50 years daily average temperature by 0~, 5~C stable,10℃ accumulated temperature data was analyzed. Study on the interannual variation, temperature change in the early and final day change trend of accumulated temperature, it showed that Yakeshi accumulated temperature had an increasing trend, which tend to stabilize the average rate of 0℃ was 74.6℃/10a,5℃ tendency for the average rate of 67.5℃/10a,10% tendency for the average rate of 69.4℃/10a.And the value of accumulated temperature, the days of accumulated temperature, the number of days at the beginning of the final date showed fluctuating upward （or delay） trend.