Chlorimuron-Ethyl is a sulfonylurea herbicide. It can selectively control sedge, broad-leaved weeds and some gramineous weeds before and after sprouting of soybean, such as Xanthium sibiricum, amaranth, Polygonum, Chenopodium, amaranth, jute, freestyle, Elsholtzia, amaranth, morning glory, Langba grass, bitter cabbage, sheep hoof leaf, koji grass, cassia, etc. it also has good control effect on barnyardgrass and Poa pratensis.