Also known as cinosulfuron, Sencaojing, Lincaojing, Linwucao, Gardener, Guonongle, etc. , a sulfonylurea herbicide, has good systemic conductivity and can be quickly absorbed by stems and leaves after spraying. Weeds can be completely killed by inhibiting cell division at the top of weeds. It can be used in all stages of weeds, almost all weeds can be eradicated by roots, and the duration is more than 2 years.