excrement collecting device for collecting pet bag is attached is disclosed. With a defecation opening drilled in the center, and defecation main body having a locking pawl semicircular tail pet is placed, the excrement collecting device for pet according to the present invention, the defecation main body to the top extends rearwardly from both sides of the back, and an attachment rod and rotatable up and down, and a collection bag being attached to and detached from the periphery of the opening of the defecation defecation body. In accordance with the present invention, it can be treated hygienically waste pet, moreover, it is possible to prevent environmental pollution. [Selection] Figure Figure 1回収袋が結合されるペットの排泄物回収装置が開示される。本発明に係るペットの排泄物回収装置は、中央に穿孔された排便口を備え、上部にはペットの尻尾が置かれる半円状の係止爪を有する排便器本体と、前記排便器本体の背面の両側面から後方に延び、上下に回転可能な取付棒と、前記排便器本体の排便口の周縁に着脱される回収袋と、を備える。本発明によれば、ペットの排泄物を衛生的に処理することができ、しかも、環境汚染を予防することができる。【選択図】図1