The average temperatures of January and winter of several cities in recent years are calculated and compared with the average year temperatures, and the effect of climate warming on building heating energy consumption is analyzed by heating climate index such as degree - days. 通过对我国若干城市近几年的1月平均温度、冬季平均温度与常年值进行比较,利用度日数等气候指标分析了气候变暖对建筑物供暖能耗的影响。