A herbicidal composition comprising a herbicidally effective amount of N-halogenoacylanilino-fatty acid or the ester derivative thereof represented by the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents C.sub.1 -C.sub.4 allyl, R.sub.3 represents a hydrogen atom, alkyl having up to 10 carbon atoms, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.4 alkynyl or cyclohexyl, R.sub.4 represents lower alkyl substituted by 1-4 halogen atoms and Y represents C.sub.1 -C.sub.3 alkylene, as an effective ingredient, and a herbicidally effective inert carrier.