Abstract: Based on the data of temperature and precipitation of Liaocheng regional representative stations from 1959 to 2008,the climatic change of Liaocheng was analyzed.It showed that the temperature for the last 50 years had appeared increasing(0.07℃/10 years),especially in 1990s.The warming trend in spring was more than that in other seasons.For this reason,the climate of Liaocheng region could be divided into one cold period and two warm periods.Furthermore,the precipitation in Liaocheng region for the last 50 years decreased(-25.22mm/10 years),and the precipitation in 2002 was the smallest.The precipitation in summer,autumn and winter decreased.With the change of precipitation,it divided three pluvial periods and three dry periods.

Key words: Liaocheng, Temperature, Precipitation, Climatic change