为探索酉阳县产生暴雨的动力和热力条件及暴雨灾害对农业生产的影响，利用自动气象站、探空和物理量场资料，对2010年7月9日和2016年6月20日酉阳县出现的大暴雨过程进行对比分析。结果表明：2次过程都为西高东低、东北低涡和两槽一脊形势，西太平洋副热带高压控制江南华南一带，500 hPa和700 hPa四川盆地的低槽是造成2次强降水过程的主要影响系统。不同的是，2010年7月9日暴雨过程为低槽东移形成西南涡以及地面冷空气通过东北路径入侵本地造成的强降水过程，2016年6月20日暴雨过程主要是由于小槽东移致使西南急流不断建立，形成切变辐合造成强降水天气发生。500 hPa低槽位置、中低层低涡切变系统异同以及地面冷空气的强弱，是导致2次暴雨过程强度特征差异的主要原因。

In order to find out the dynamic and thermodynamic conditions of Rainstorm in Youyang county,Explore Study on the effect of rainstorm disaster on agricultural production,Utilize automatic weather station,Sounding and physical quantity field data,The heavy rain process in Youyang County in July 9, 2010 and in June 20, 2016 was analyzed.Results show:The two process Are all West High East low，Northeast Vortex and two troughs and one ridge situation,Control of the Western Pacific subtropical high in Southern China,500 hPa and 700 hPa low trough in the Sichuan basin are the main influencing factors of the two heavy rainfall processes.The difference is,July 9, 2010 rainstorm precipitation process for low trough eastward formation of Southwest Vortex and ground cold air intrusion caused by the local path through the northeast,June 20, 2016 rainstorm is mainly due to the small trough eastward southwest jet establishment,The formation of shear convergence caused by heavy rainfall.500 hPa low slot position,Low vortex shear system similarities and differences，The intensity of ground cold air is the main reason for the difference of the intensity characteristics of the two rainstorm processes.