It belongs to benzoic acid series herbicide, which has systemic conduction effect, and has significant control effect on annual and perennial broad-leaved weeds. Used for post-emergence spraying. The agent can be quickly absorbed by the leaves, stems and roots of weeds. It transmits up and down through the phloem and xylem, and is mostly concentrated in meristematic tissues and areas with strong metabolic activities, which hinders the normal activities of plant hormones. Make the weeds die. It has a significant control effect on annual and perennial broad-leaved weeds. Generally, the broad-leaved weeds appear deformed and curled within 24 hours, and they die within 15-20 days. It is relatively safe for wheat, corn, millet, rice, and other gramineous crops. It is used to control pig worm, buckwheat vine, quinoa, oxtail stellariae, large broccoli, sowing wormwood, cocklebur, boswellia, field spiral flowers, Ask Jing, Zongchang, yearling, mugwort, yarrow and so on. Gramineae plants can be quickly metabolized and deactivated after absorption, showing strong resistance, so they are safer for wheat, corn, rice and other gramineous crops.