Abstract: Based on the daily maximum and minimum temperature data of Zhengzhou from 1958 to 2012, the extreme temperature, the extreme e threshold (determined by means of percentiles threshold) and the days of extreme temperature events were analyzed by the linear trend, Mann-Kendall test and wavelet analysis methods. The results showed that: (1) the maximum temperature and the days of the extreme minimum temperature had a decreasing trend and the minimum temperature, the days of the extreme maximum temperature had a significant decreasing trend; (2) there were obvious mutation for the maximum temperature, the minimum temperature, and the days of extreme high temperature events, but no mutation for the days of extreme low temperature events; (3) 4 meteorological factors all had a significant periodicity; (4) as to the characteristics of mutation and periodicity, the days of extreme high temperature would be increase continuously and the days of extreme low temperature will be decreasing continuously in the coming years; (5) the maximum temperature will transform from decreasing trend to increasing trend. The minimum temperature and the days of maximum temperature would transform from increasing trend to decreasing trend. The days of maximum temperature would improve continuously.