Disclosed is a herbicidal composition comprising a safener of formula (I) and one of more herbicides selected from flucarbazone, metsulfuron, prosulfuron, tribenuron, cloransulam-methyl, chlorimuron, ethoxysulfuron, florasulam, flumetsulam, halosulfuron, propoxycarbazone, amidosulfuron, chlorsulfuron, triasulfuron, flupyrsulfuron, sulcotrione, mesotrione, topramezone, EPTC, S-metolachlor and dicamba. Also disclosed is a method of controlling harmful plants in crops of useful plants by applying the above mentioned composition to the harmful plants, the crop plants, the plant seeds or the area in which the plants grow.