THERE IS PROVIDED A FLUORINE-CONTAINING ORGANOSULFUR COMPOUND HAVING AN EXCELLENT CONTROL EFFECT ON HARMFUL ARTHROPODS, WHICH IS REPRESENTED BY THE FORMULA (I): WHEREIN M REPRESENTS 0 OR 1; N REPRESENTS 0, 1 OR 2; A REPRESENTS AN OPTIONALLY SUBSTITUTED 6-MEMBERED AROMATIC HETEROCYCLIC GROUP; R1 TO R4 ARE THE SAME OR DIFFERENT AND REPRESENT A HYDROGEN ATOM, A C1-C4 CHAIN HYDROCARBON GROUP OPTIONALLY SUBSTITUTED WITH A HALOGEN ATOM, ETC.; AND Q REPRESENTS A C1-C5 HALOALKYL GROUP CONTAINING AT LEAST ONE FLUORINE ATOM, OR A FLUORINE ATOM.