There is provided a halogen-containing organosulfur compound having an excellentcontrolling effect on arthropod pests represented by the formula (I): wherein,m represents 0, 1 or 2, n represents 0, 1 or 2, A represents optionally substitutedC3-C7 cycloalkyl or optionally substituted C5-C7 cycloalkenyl group, Q representsa C1-C5 haloalkyl group containing at least one fluorine atom, or a fluorine atom,R