[目的]建立10%丁氟螨酯·嘧菌酯水乳剂的高效液相色谱分析方法,实现对制剂中丁氟螨酯和嘧菌酯同时、快速地测定。[方法]以甲醇-水(体积比90:10)为流动相,在230 nm波长条件下进行检测。[结果]丁氟螨酯和嘧菌酯的线性相关系数分别为0.9999、0.9995,变异系数分别为3.25%、5.09%,平均回收率分别为99.69%、99.76%。[结论]该方法能有效分离样品中的丁氟螨酯和嘧菌酯,且具有较高的准确度和精密度。 [Objective] The research aimed to establish a high performance liquid chromatographic method for the determination of 10% butylflufenamon and azoxystrobin in water, and to achieve the simultaneous and rapid determination of both flufenamic ester and azoxystrobin in the preparation. [Method] With methanol - water (volume ratio 90:10) as mobile phase, the detection was carried out at 230 nm. [Result] The linear correlation coefficients of diflubenzuron and azoxystrobin were 0.9999 and 0.9995, respectively. The coefficients of variation were 3.25% and 5.09%, respectively. The average recoveries were 99.69% and 99.76% respectively. [Conclusion] The method can effectively separate the fungicides and azoxystrobin from the samples, and has high accuracy and precision.