The present invention relates to an herbicidal liquid composition including a pyridine sulfonylurea compound, as an active ingredient, represented by Formula 1 below, a surfactant, and a buffer, the surfactant including a sulfosuccinate-based compound:[Formula 1]wherein n represents an integer of 1 to 3, R is a hydrogen atom or a C1 to C4 alkyl group, R’ is a hydrogen atom, a C1 to C4 alkyl group, a C1 to C3 haloalkyl group, a halogen group, or a C1 to C2 alkoxy group, and X and Y are each independently a C1 to C2 alkyl group, a C1 to C2 alkoxy group, a C1 to C2 haloalkoxy group, or a halogen group.本發明關於液體除草組成物，其包括作為活性成分之以下列式1代表的吡啶磺醯脲化合物、界面活性劑及緩衝劑，該界面活性劑包括基於磺基琥珀酸鹽之化合物，其中n代表1至3的整數，R為氫原子或C1至C4烷基，R’為氫原子、C1至C4烷基、C1至C3鹵烷基、鹵基或C1至C2烷氧基，且X和Y各自獨立為C1至C2烷基、C1至C2烷氧基、C1至C2鹵烷氧基或鹵基。
