Disclosed herein are a derivative of dihydrotriazole represented by the general formula (I): ##STR1## wherein R.sup.1 represents an amino group, lower alkoxy group, or lower alkyl amino group, R.sup.2 represents a hydrogen atom, halogen atom, or lower alkyl group and R.sup.3 represents a hydrogen atom, lower alkyl group, benzyl group, furyl group, phenyl group or phenyl group substituted with a halogen atom, hydroxyl group, carboxyl group, methoxycarbonyl group, lower alkyl group or lower alkoxy group, and a herbicidal composition containing as an active ingredient at least one of the derivatives of dihydrotriazole.