Disclosed is a feces replacement pad that is ecological and can contribute to resource saving by preventing fecal dirt on a diaper main body worn by a dog or the like that requires care and reducing the frequency of replacement of the diaper main body. A feces replacement pad that is detachably attached to an inner wall of a pet diaper and is attached to the pet integrally with the pet diaper, and has a slit that penetrates the tail of the pet in the center in the left-right direction. When the three-dimensional gather 2100 is present at the left and right edges of the part 1100 and the pet diaper, the pair of wing parts 1300 sandwiched between the three-dimensional gathers below the notch and the inner wall of the pet diaper And a locking member that is locked to the inner wall of the pet diaper so as not to slip. [Selection] Figure 1【課題】介護を要する犬等が装着するおむつ本体の糞汚れを防止して、おむつ本体の交換頻度を低減することにより、エコで省資源に寄与し得る糞用替えパッドを提供する。【解決手段】ペット用おむつの内壁に脱着可能に装着されて、ペット用おむつと一体的にペットに装着される糞用替えパッドであって、左右方向の中央部にペットの尾を貫通させる切れ込み部１１００と、ペット用おむつの左右の辺縁部に立体ギャザー２１００が存在する場合に、切れ込み部より下方で、立体ギャザーに挟み込まれる一対の翼部１３００と、ペット用おむつの内壁に装着された場合に、ずれないようにペット用おむつの内壁に係止される係止部材と、を備える。【選択図】図１
