The present invention relates to a pocket for treating excretion for pet dogs, which is divided into a first bag and a second bag, wherein an opening is formed in a central part of the second bag, and a lid part covering the first bag or the second bag is provided. The purpose of the present invention is to provide the pocket for treating excretion for pet dogs, which enables an owner to collect excrement such as feces without discomfort when going out and taking care of the excrement and to effectively manage the collected excrement.애완견용 배설물처리 주머니;상기 애완견용 배설물처리 주머니는 제1주머니와 제2주머니로 구분하되,상기 제2주머니의 중앙부에는 개구부를 구성하고,상기 제1주머니 또는 상기 제2주머니를 덮는 덮개부를 구성하는 것을 특징으로 하는 애완견용 배설물처리 주머니에 관한 것이다.