A kind of pet Combined bed-pan structure,System comprising one first cage body,It is formed combined by one second cage body and a plurality of buckling pieces,First cage body and second cage body are that a plurality of buckling piece buttons of collocation set fixation between the two,Its characteristic is in what: system is equipped with for one of second cage body merging socket at the first front panel of first cage body,For second cage body merging what first cage body in when its arrange in pairs or groups buckling piece and integral type state is presented; System is equipped with an opening at the second Hou fence of second cage body again,When for second cage body external what first cage body its arrange in pairs or groups buckling piece and present first cage body socket and second cage body opening system be in communicating state,Thereby,Master can arbitrarily adjust the combination of its cage body and appropriateness plans the space size of its cage body for raising,So that each pet of what training can be used to carry out draining the purpose urinated and defecated in what fixed-site.一種寵物組合式便盆結構,係包含一第一籠體、一第二籠體及複數個扣鉤件所組合而成,該第一籠體與該第二籠體兩者間係搭配複數個扣鉤件扣設固定,其特徵在於:該第一籠體之第一前柵欄處係設有供該第二籠體置入之一容置口,以供該第二籠體置入於該第一籠體內時其搭配扣鉤件而呈現一體式狀態;又該第二籠體之第二後柵欄處係設有一開口,供該第二籠體外接於該第一籠體時其搭配扣鉤件而呈現該第一籠體之容置口與該第二籠體之開口係呈相通狀態,藉此,供飼主可任意調整其籠體之組合方式及適度規劃其籠體之空間大小,以便於訓練各寵物均能慣於固定場所中進行排泄便溺之目的。