Provided are a repellent having a superior repellent activity for Rodentia animal and a repellent method for Rodentia animal. A Rodentia animal repellent containing, as an active ingredient, a compound represented by the formula (1) wherein Z1 is a C1-C4 hydrocarbon group, Z2 is a hydrogen atom, or Z1 and Z2 are joined to form a bond, R1 is a C1-C4 hydrocarbon group optionally having fluorine atom(s), R2 is a halogen atom or a C1-C4 hydrocarbon group, and n is an integer of 0 to 4.本所提供者為對於嚙齒目動物具有優越驅除能力之驅除劑以及嚙齒目動物之驅除方法。嚙齒目動物驅除劑含有以式(1)表示之化合物作為活性成分,其中Z1為C1-C4烴基,Z2為氫原子,或Z1及Z2係結合而形成鍵,R1為隨意地具有氟原子之C1-C4烴基,R2為鹵素原子或C1-C4烴基,且n為0至4之整數。