A disimpaction bag includes a bag-shaped main body, an adhesive portion, and at least one finger insertion portion. The at least one finger insertion portion protrudes from either of a lateral surface and a bottom surface of the main body toward inside of the main body, and has a closed tip. The at least one finger insertion portion is configured so as to accommodate at least one finger inserted therein from outside of the main body, and to insert at least one portion thereof into an anus through the opening of the main body.