THERE IS PROVIDED AN ORGANIC SULFUR COMPOUND HAVING AN EXCELLENT CONTROLLING EFFECT ON HARMFUL ARTHROPODS REPRESENTED BY THE FORMULA (I): WHEREIN, R1 REPRESENTS A C3-C10 ALKENYL GROUP OPTIONALLY SUBSTITUTED WITH AT LEAST ONE HALOGEN ATOM, A C3-C10 ALKYNYL GROUP OPTIONALLY SUBSTITUTED WITH AT LEAST ONE HALOGEN ATOM, OR THE LIKE, R2 REPRESENTS A CYANO GROUP OR THE LIKE, R3 REPRESENTS A HYDROGEN ATOM, A HALOGEN ATOM OR A C1-C4 ALKYL GROUP, R4 REPRESENTS A CL-C5 FLUOROALKYL GROUP, AND N REPRESENTS 0, 1 OR 2.