The access toilet system of this creation is mounted at what animal buttocks,And access toilet include at least one tool closed through hole ontology,And can group set the band group between what ontology and tight beam what animal bodies,Wherein band group include at least one group set the Beam End band of two sides above what ontology,One can be mobile on what Beam End band regulating part group,Group set a left side for two sides below what ontology,Right leg binding belt,And one group set what it is left,The engaging member of right leg binding belt another end; Also,The through hole periphery side of what ontology is formed with several spleniums,And what through hole side is formed with one and collects shape extension towards the hollow of outside protrusion,To cause faeces bag sack edge compression zone pinching to position Hou,And the faeces bag of other parts is enable to store in accommodating what extension; In addition,Beam End band by regulating part group be distinguished into one by Beam End band linking part to closed formed between regulating part group space region,And it is another by formed closed spacing zone between side flap on regulating part group to two end limiting section of Beam End band and ontology,And the migration on regulating part group what Beam End band is utilized,And above-mentioned spacing zone is enable closely to coat what animal tail Ji Chu,And recycle group set what it is left,The engaging member of right leg binding belt another end can from animal Hou inboard leg via up group is set to the linking part of the Beam End band from position what back again under hip,To cause the closed space region at position what back to be pullled the quick fixed installation mode person of triangular shape.本創作之接便器係被安裝於動物臀部處,且接便器至少包括一具封閉狀貫穿孔的本體、以及可組設於本體暨緊束於動物身體間的束帶組,其中束帶組至少包括一組設於本體上方二側的束尾帶、一可於束尾帶上移動用的調節件組、已組設於本體下方二側的左、右束腿帶、以及一組設於左、右束腿帶另端的結合件;又,於本體之貫穿孔外圍周側形成有若干個壓部,且於貫穿孔周側形成有一朝向外側凸出之中空收束狀延伸部,以致使便袋袋口緣受壓部夾擠定位後,而使其它部分的便袋能收納容置於延伸部內;另,束尾帶藉由調節件