The present invention pertains to the technical field of pesticides, and particularly relates to a substituted nitrogen-containing aromatic heterocyclic formic acid imide ester derivative, a preparation method therefor, an herbicidal composition containing the same, and an application thereof. The substituted nitrogen-containing aromatic heterocyclic formic acid imide ester derivative is represented by general formula I, in which R1 and R2 independently represent H, a halogen, etc.; Y represents H, a halogen, NR3R4, etc.; W represents H, a halogen, an alkoxy group, an alkyl group, a haloalkyl group, an alkenyl group, or an alkynyl group; X represents a halogen, an alkoxy group, etc.; Q is selected from a halogen, an alkyl group or a cycloalkyl group or an alkoxy group with or without a halogen, a phenyl group, an aryl group of a 2,3-indanyl group or an naphthyl group, etc. The compound has excellent herbicidal activity, is safer for crops and provides good selectivity, especially for key crops such as wheat, corn, and rice.
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