Abstract: In order to explore the effect of different insecticides on the control of Stenoloba basiviridis Draudt, the afforestation trees（Koelreuteria paniculata） in Dongtai area were taken as the research subjects, and the effects of 50% imidacloprid wettable powder,50% pyriphenone wettable powder and 50% chlorpyrifos emulsion on the aphid population reduction rate at 1 d, 3 d, 14 d, 30 d after treatment were compared respectively. The results showed that the best control effect was 50% pyrazone（74.2%） on the 7th day of medication, and the best control effect was 50% imidacloprid wettable powder on the 1st day, 3rd day, 14th day and 30th day after medication, with control effect of 95.3%, 86.5%, 63.6% and 62.1%, respectively. The comprehensive results showed that the control effect of 50% imidacloprid wettable powder was the most lasting and the comprehensive control effect was the best with the increase of time after administration.