Control experiment of pesticides effects on various crops were conducted at different locations.The results indicated that two pesticides of 1.8 avermectin and 1% bosswell had high control effects of 82.14% and 81.89% after 5 days when the pesticides were applied on Liriomyza huidobrensis in greenhouse cucumber,and comparatively the former had quick but the latter lasting results.For Liriomyza huidobrensis in cowpea,58% Fengleiji(abamectin), 24% Aifudin(abamectin),(0.9%) Avermectin,23% Weidi(abamectin),and 0.6% Abamectin had significant control effects of 80.96% to 86.68%.