There is provided a fluorine-containing organosulfur compound having an excellent controlling effect on arthropod pests represented by the formula (I): wherein G represents an oxygen atom or a sulfur atom; R2 represents a C1-C4 chain hydrocarbon group which is optionally substituted with a halogen atom, etc.; R3 and R4 independently represent a C1-C4 chain hydrocarbon group or a hydrogen atom; R5 represents a C1-C5 haloalkyl group containing at least one fluorine atom, or a fluorine atom; R6 represents a halogen atom, a cyano group, a nitro group or a -(G1)q-R8 group; R7 represents an amino group etc.; R8 represents a C1-C4 chain hydrocarbon group which is optionally substituted with a halogen atom; m represents an integer of 0 to 5; n represents an integer of 0 to 2; p represents 0 or 1; q represents 0 or 1; and G1 represents an oxygen atom etc.