鼠疫对人类健康有着严重的危害，不但威胁公众生命，还会造成一定的经济损失。防疫先防鼠，本文通过对通榆达乌尔黄鼠的相关数据，分析整理，参照傅里叶级数构建黄鼠种群动态模型。再运用傅里叶级数来准确表示1982年至2002年通榆黄鼠的总体分布情况、增长率、出生率、死亡率等具体情况，再对2003年至2012年的黄鼠分布进行预测，对模型进行检验并优化，最终得到能够更精确反映和预测通榆达乌尔黄鼠种群动态的模型。不但能够反映各年4至7月份的达乌尔黄鼠密度分布、增长率以及分布规律，还能预测各年的整体分布水平，经检验所预测的数据都比较符合实际情况。最后得出黄鼠种群动态分布的相应结论。为防暑防疫提供依据，根据模型初步判断，在每年6月份防鼠灭鼠效果最好，可以让黄鼠保持在较低水平。

The plague has serious harm to human health, not only endanger public life, still can cause certain economic loss. Epidemic prevention rat first, this article through to Tongyu Spermophvlus dauricus related data, analysis, referring to the Fourier series to construct mouse population dynamics model. Using Fourier series to accurately said between 1982 and 2002 from mouse's general distribution, the growth rate, the birth rate, mortality, such as the specific circumstances, to between 2003 and 2012 on predicting the distribution of mouse, to test the model and optimization, finally be able to more accurately reflect and predict Tongyu Spermophvlus dauricus models of population dynamics. It can not only reflect in each of the 4 to July of Spermophvlus dauricus density distribution, growth and distribution, also can predict overall distribution in each level, the inspection and forecast data are in line with the actual situation. The mouse population dynamics of the distribution of the corresponding conclusions. Provide the basis for prevention purposes, according to preliminary judgment model, in June each year rat deratization effect is best, can keep the mouse at lower levels.