Disclosed is a handbag which can easily carry wet tissues and defecation bags for disposal of pet defecation when going out with a pet such as a dog. The portable handbag for pet defecation disposal includes a container (10) for keeping wet tissues, a container cover (10b) for opening and closing the upper side thereof, a defecation pocket (10c) provided on the outside of the container cover (10b) to keep defecation bags and an auxiliary pocket (10e) for keeping vinyl bags that have collected pet defecation. Further, a strap (12) is provided at the upper end portion of one side of the handbag, a first hook (11) is provided on the lower side of the strap (12), and a ring (13) is provided at the upper end portion of the other side of the handbag opposed the strap (12), so that the handbag can be fastened easily and firmly to the lead line of the pet.