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Based on the data of organic carbon stable isotope ratios and nagnetic susceptibility, climate evolution in the past 5 kaB. P. in Poyang Lake plain (in Jiangxi Province) has been reconstructed. The results of the research indicate that the climate evolution can be divided into nine stages in the past 5kaB. P.. Comparisons of different regional environmental records suggest that the intensity and the temporal-spatial changes of monsoon in China mainly controlled the climate evolution.