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A analysis is made of climate change in recent 45 years by means of the temperature and precipitation data from 1961 to 2005 of the Jinghong meteorological station. The results indicate that the precipitation showed a decreasing trend (－20.72 mm per 10 years); summer precipitation decreased obviously (－24.28 mm per 10 years); spring precipitation had an increasing trend (11.18 mm per 10 years); annual mean temperature showed an inreasing trend (0.262 ℃ per 10 years), especially in winter (0.483 ℃ per 10 years). The increasing trend of annual extreme low temperature (0.545 ℃ per 10 years) is more obvious than the decreasing trend of annual extreme high temperature (－0.088 ℃ per 10 years). The recent 45 years in Xishuanbanna can be divided into cold and warm periods.