Abstract: Based on the long time series of climate data at the Naomaohu station and the comparison station during 1963—2020,the methods of difference analysis and T-test were adopted to conduct homogeneity test and regional consistency analysis,while combined with comparison method,the effect of environmental changes on the meteorological data at the Naomaohu station was analyzed.The results showed that:（1）The air temperature at the Naomaohu station and the comparison station showed an upward trend;the precipitation series showed a linear trend of 2.92 mm/10 a and 3.19 mm/10 a,respectively;the humidification rates were 0.17%/10 a and 0.46%/10 a,respectively.Wind speed had a decreasing trend with time.（2）There were breakpoints in average temperature,precipitation,average relative humidity and average wind speed at the Naomaohu station,with three breakpoints in average temperature,relative humidity and average wind speed,and two breakpoints in precipitation.（3）The environmental change at the Naomaohu station had positive contribution to the variation trend of mean air temperature at annual and seasonal scales,and negative contribution to the variation trend of mean wind speed and mean relative humidity at annual and seasonal scales,while to the precipitation trend,had negative contribution at annual,spring and autumn scales,and positive contribution at summer and winter scales.