PROBLEM TO BE SOLVED: To provide a defecation assist device which allows a care-receiver such as a sick person and elderly person to easily put muscle into the lower abdomen so as not to fall from a Western-style toilet seat in a toilet when he/she uses the Western-style toilet seat, and which allows him/her to smoothly enter or exit the toilet and not to stumble when he/she sits on the Western-style toilet seat and exits the toilet.SOLUTION: A defecation assist device is provided on a side wall C of a toilet having a Western-style toilet seat B. The defecation assist device includes: a base part 2, which is fixed to an assist handrail part D provided on the side wall C and a table part 3 which moves rotationally around the base part 2 in the vertical direction and slides forward and backward in the horizontal state on the front side of the Western-type toilet seat B and which is pushed backward in the horizontal state to be locked by lock means at a proper position.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2016,JPO&INPIT【課題】病人や高齢者等の被介護者が洋式便座を使用する際に、トイレの洋式便座から転落しないようし、下腹に力を入れやすくし、かつ、洋式便座に座る場合や退出する場合に、出入りがスムースで、つまずくことが無い排便介助装置を提供する。【解決手段】洋式便座Bを備えたトイレの側壁Cに備えた排便介助装置であって、排便介助装置は側壁Cに設けられた介助手摺部Dに固定する基礎部2と、基礎部2に対して、テーブル部3が洋式便座Bの前方で垂直及び水平に回動するともに水平状態では前後にスライドし、水平上状態で後方に押し込んだ適宜の位置でロック手段でロックする。【選択図】図3