In this paper,the daily temperature and precipitation data from 16 counties and cities in southeast Shanxi Province (Changzhi City and Jincheng City) in nearly 40 years from 1976 to 2015 were used to analyze the spatiotemporal variation of extreme temperature and extreme precipitation. The purposes of the study were to reveal the extreme degree of weather and climate in the study area and grasp the variation range of meteorological factors and their discrete characteristics of spatiotemporal distribution. The results showed that extreme precipitation and extreme temperature were obviously regional. ① The extreme temperature was generally in an increase trend in the past 40 years. The study revealed that the extremely high value of temperature (40.2 ℃) occurred in Licheng County,and the extremely low one (- 27.7 ℃) in north Qinyuan County. Viewed from the temporal distribution, the extreme maximum temperature occurred mainly during the period from late May to late July,and its highest frequency occurred in late June; the extreme minimum temperature occurred during the period from late December to next mid-January,and its highest frequency occurred in January; ② The maximum intensity of extreme precipitation during the period of 1976- 1915 was in a significantly increase trend. In the recent 40 years,the maximum daily precipitation (221.2 mm) occurred in Jincheng. According to the spatial distribution of extreme precipitation, its low value occurred in the southeastern region of the province,and its high values in the northwestern and southern regions. The annual extreme precipitation occurred mainly in July and August,especially in early and late July; ③ There were the 4-year quasi-periods of extreme maximum temperature fluctuation,a 12-year ones of extreme minimum temperature,and 15-year and 8-year ones of annual precipitation fluctuation in the past 40 years; ④ The abrupt change of extreme temperature was significant,but that of extreme precipitation and extreme minimum temperature was not.