A stool collection device comprises an wearing member, an anal plug member, and a collecting bag. The wearing member has a carrier for a patient to wear and two velcro female sides combined to an outer surface of the carrier. The carrier has an opening located corresponding to the patients anus after the patient has worn the carrier. The anal plug member includes an elastic ring body and two velcro male sides combined to two sides of the elastic ring body and when the velcro male sides are bonded with the two velcro female sides, the elastic ring body is located in the opening. The outer peripheral wall of the collecting bag is combined on the inner circumferential surface of the elastic ring body. When the patient wears the carrier, the inner peripheral wall of the collecting bag close to the bag opening is adhered to the inner wall of anal of the patient, so as to enable the excrement discharged from anus to enter directly into the collecting bag, thereby effectively maintaining the hygiene of crotch and buttocks of the patient.一種集便裝置,包含有一穿著件、一肛門塞件以及一收集袋,該穿著件具有一載體供一患者穿著,以及結合於該載體外表面的二母黏氈;該載體具有一開口,係於該患者穿著該載體後位於相對應該患者之肛門處者;該肛門塞件包含有一彈性環體以及結合於該彈性環體兩側的二公黏氈,當該二公黏氈相對於該二母黏氈黏合時,該彈性環體位於該開口中;該收集袋之外周壁結合於該彈性環體之內環面上;當該患者穿著該載體時,該收集袋接近袋口之內周壁黏著於該患者之肛門口內壁上,從肛門口排出的排泄物得以直接進入該收集袋內,有效維持該患者胯下及臀部之衛生。100‧‧‧集便裝置12‧‧‧載體121‧‧‧束腰部122‧‧‧跨下部123‧‧‧開口14‧‧‧母黏氈20‧‧‧肛門塞件22‧‧‧彈性環體24‧‧‧公黏氈30‧‧‧收集袋