PROBLEM TO BE SOLVED: To provide a toilet device with which an infant and a person in need of care can easily do defecation and urination while being bedridden.SOLUTION: A toilet device is stored in a mattress, a hook-and-loop fastener in a front side of a regularly wearable cartridge type front face diaper joint part and two snap protruding portions are attached to the hook-and-loop fastener and two snap recess portions sewed to the inner side of a crotch part diaper joint part attached to the inside of a defecation and urination partition wall 17 of the toilet device when the mattress is used.COPYRIGHT: (C)2015,JPO&INPIT【課題】乳幼児から要介護者が寝たきりで簡単に排便尿をすることができるトイレ装置を提供する。【解決手段】トイレ装置をマットレスに収納し、マットレス使用時には、トイレ装置の排便尿仕切壁17内側に取付けた股間部オムツ継手部内側に縫付けた面フアスナーと2個のスナップ凹部分に、常時着用可能なカートリッジ式前面オムツ継手部表側の面フアスナー部と2個のスナップ凸部とを密着させる。【選択図】図5