Using proportional and bisectional method,the formulation of 2.5% Lambda-cyhalothrin ME was studied rapidly,which had good character and low cost.

• 综合运用了比例法和对分法对2.；5%25高效氯氟氰菊酯微乳剂的配方进行了研究；在较短时间内筛选出了该微乳剂的较佳配方。