Novel herbicides are provided.A haloalkylsulfonanilide derivative represented by the formula (1) or an agrochemically acceptable salt thereof:the formula (1):wherein Z is -C(R9)(R10)- or -N(R11)-, A is an oxygen atom, a sulfur atom or -N(R12)-, W is an oxygen atom or a sulfur atom, m is an integer of from 0 to 3, n is an integer of from 0 to 3, m+n is from 1 to 3, R1 is halo C1-C6 alkyl, R2 is a hydrogen atom, C1-C6 alkyl or the like, each of R3 and R4 is independently a hydrogen atom, C1-C6 alkyl or the like, each of R5, R6, R7,R8, R9 and R10 is independently a hydrogen atom, a halogen, C1-C6 alkyl or the like, each of R11 and R12 is a hydrogen atom, C1-C6 alkyl, halo C1-C6 alkyl or the like, and X is independently a hydrogen atom, a halogen, C1-C6 alkyl, or the like.
