Abstract: There is disclosed a separable toilet pad for housebreaking animal companions including a protection layer covering an exterior surface; an absorbent layer absorbing and storing urine; and a waterproof layer preventing the absorbed urine from leaking, wherein the waterproof layer includes a waterproof layer cut unit configured to divide or cut the waterproof layer into a plurality of areas, when an external force is applied, and the absorbent layer is arranged in a surface of the waterproof layer and includes a gap with both sides with respect to the waterproof layer cut unit and includes a gap having a distance from both sides of the waterproof cut unit, and a filling part is arranged in the gap and includes a filling part cut unit corresponding to the waterproof layer.