PURPOSE: To obtain a rat repelling material high in safety in its use, and having high rodenticidal effect.

CONSTITUTION: A favorite material for rats such as solid soap, bark, wood (including nursery stocks of Japanese larch, Japanese spruce, fir, etc.), concrete or electric wire tubes, is incorporated or coated with (A) a rodenticide and (B), to provide palate to and remove precaution from rats, perfume(s) such as natural (animal or vegetable type), synthetic and/or prepared one(s) are incorporated or coated.