The objective of this study was to clarify control effects of some soybean fields herbicides to amaranthusretroflexus. Six kinds of soybean fields leaf herbicides, bentazon, oxyfluorfen, fomesafen, Choransulam- methyl,clomazone and acifluorfen were chosen and sprayed on amaranthus retroflexus at true leaf stage- 1 alternate leafstage. After thirty days, inhibition rate of plant height, plant control, weight control were investigated. Resultsshowed that the control effect of 21.4% acifluorfen was the best, which reached 100%; the effect of 48% bentazonand 24% oxyfluorfen was good, the weight control effect reached 82.13% and 72.43%; the effect of 25% fomesafenand 48% clomazone was just so so, the weight control effect reached 55.27% and 47.34%; effect of 84% Choran-sulam-methyl was poor, the best weight control was 35.50%.