A method of producing an isoxazoline substituted benzoic acid amide compound of Formula (1): ** Formula ** [in which X is a halogen atom, cyano, nitro, -SF5, C1-6 alkyl, haloalkyl C1-6, hydroxyalkyl (C1-6), hydroxyhaloalkyl (C1-6), alkoxy C1-6-alkyl (C1-6), haloalkoxy C1-6-alkyl (C1-6), alkoxy C1-6-haloalkyl (C1 -6), C1-6 haloalkoxy (C1-6) haloalkyl, C3-8 cycloalkyl, C3-8 halocycloalkyl, -OR6, -OSO2R6, -S (O) rR6 or -N (R8) R7, when m is 2 or more, the Xs are optionally the same or different from each other, Y is a halogen atom, cyano, nitro, C1-6 alkyl, C1-6 haloalkyl, C1-6 alkoxy, C1-6 haloalkoxy, C1- alkylthio 6, C1-6 haloalkylthio, C1-6 alkyl sulfonyl, C1-6 haloalkyl sulfonyl or -N (R8) R7, where when n is 2 or more, the Y are optionally the same or different from each other, R1 is a hydrogen atom, C 1-6 alkyl, C 1-6 haloalkyl, C 3-8 cycloalkyl or C 3-8 halocycloalkyl, R 2 is a hydrogen atom, cyan or, C1-6 alkyl or C1-6 haloalkyl, R3 is a hydrogen atom or C1-6 alkyl, or R3 together with R2 optionally forms a C2-5 alkylene chain to form, together with a carbon atom to which R3 is attached, a 3 to 6 member ring, and at this time, the alkylene chain optionally contains an oxygen atom, a sulfur atom or a nitrogen atom, R4 is a hydrogen atom, C1-6 alkyl, alkyl C1-6 optionally substituted with R11, C1-6 haloalkyl, C3-8 cycloalkyl, C3-8 halocycloalkyl, C3-6 alkenyl, C3-6 haloalkenyl, C3-6 alkynyl, phenyl or phenyl substituted with (Z) r, R5 is a hydrogen atom, C 1-6 alkyl, C 1-6 haloalkyl, C 3-8 cycloalkyl, C 3-8 halocycloalkyl, -CHO, C 1-6 alkylcarbonyl, C 1-6 haloalkylcarbonyl, C 1-6 alkoxycarbonyl, alkyl C1-6-sulfonyl or haloalkyl C1-6-sulfonyl, or R5 together with R4 optionally form a C2-6 alkylene chain to form, together with a nitrogen atom to which R5 is attached, a 3 to 7 member ring, and at that time, the alkylene chain optionally contains an oxygen atom, a sulfur atom or a nitrogen atom and is optionally substituted with a halogen atom, a C1-6 alkyl group, a
