The invention provides a fixer for hanging a toilet bag and a toilet receiver thereof.One end of the fixator is provided with a through hole.The other end is connected to form a holding part.The external contour of the fixator is provided with two groups of notches.The notches are located on the outside of the through hole and enclose the through hole frame in between.The two notches of the two groups are provided with two earbands of a toilet bag which are respectively suspended between the corresponding two notches.At the same time, the two ends of each ear belt are pulled apart to make the opening of the bag body wide.And the opening of the bag body is close to the back of the retainer.The through-hole of the fixator is communicated with the opening of the bag body.So that the owner can take over the dog's poop with his grip.Let the dog fall into the bag through the through hole of the fixator and the opening of the bag body.The bag body with dog stool can be easily removed from the fixing piece.And make a knot at the opening and seal it.Can be discarded in the garbage can；In this way,So that the dog will not fall on the ground and contaminate it.It makes it very easy to clean the poop.And the retainer can be reused.本創作提供一種供便袋懸掛之固定器及其接便器，固定器之一端係具一通孔，其另一端係構成一握持部，該固定器之外輪廓設有兩兩一組之凹口，該各凹口係位於通孔之外側而將通孔框圍在其間，該兩兩一組的凹口間係可供一便袋之兩耳帶各自懸掛於所對應之兩凹口間，各耳帶之兩端被拉開之同時乃使袋體之開口張大，並使袋體之開口貼近於固定器之背面，使固定器之通孔與袋體之開口相通，俾飼主可手握著握持部而去承接狗便，讓狗便通過固定器之通孔及袋體之開口而掉落至袋體中，該承接有狗便之袋體可方便的自固定片上予以拆下，並在開口處打一死結而封口，即可丟棄於垃圾桶；藉此，使狗便不會掉落於地面而沾污地面，使狗便的清理變得極為容易，且讓固定器可重複的使用。
