The present invention provides a foldable wheel chair with excretion function, wherein a discharge hole is arranged at the middle position of the seat thereof. An excretion device is arranged at the bottom of the seat and includes: two covering plates each having a soft pad arranged on the upper face thereof, wherein the two soft pads are parallelly exposed inside the discharge hole when the two covering plates are closed two breaking components oppositely arranged at two sides and two bottom faces of two covering plates, wherein the two breaking components are subjected to a pull or a push to drive two covering plates to close the discharge hole or open the discharge hole for excretion a receiving bag hanged at the bottom edges of inner sides of two covering plates, wherein the receiving bag can simultaneously unclose its opening to receive excrement when two covering plates are opened downward. By this way, the disabled person can directly discharge excrement on the wheel chair without leaving the wheel chair. Thereby, the patient has dignity and feel more convenient because the patient can excrete and clean up alone.一種可便溺折疊式輪椅,其座墊中間設有一排放口;一便溺裝置設在座墊的底面,其包括:二遮板,其上表面各設有一軟墊,且該二遮板併合時該二軟墊係呈平行狀凸露在排放口內;二制動構件,呈相向對應狀設在二遮板底面及兩側,藉由拉動或推動制動構件使該二遮板呈併合狀而關閉排放口,或呈張開狀使排放口開啟而可供便溺使用;一承接袋,吊掛在二遮板內側底緣,並隨著該二遮板向下張開時同步撐開開口,用以承接排泄物。藉此。行動不便者可直接於輪椅上便溺,使病患完全不用上下輪椅,即可自行便溺及清洗,讓病患具有尊嚴及方便性。20‧‧‧椅架21‧‧‧握把22‧‧‧扶手部23‧‧‧椅背桿231‧‧‧彎折關節件24‧‧‧主輪25‧‧‧從動輪26‧‧‧握板27‧‧‧直向導孔30‧‧‧折合單元31‧‧‧折合架32‧‧‧樞接軸33‧‧‧板體40‧‧‧座墊41‧‧‧排放口50‧‧‧椅背墊51‧‧‧承座52‧‧‧束扣帶60‧‧‧便溺裝置61‧‧‧遮板63‧‧‧軟墊64‧‧‧制動構件643‧‧‧第三聯桿組68‧‧‧立式滑槽69‧‧‧掛勾80‧‧‧清洗裝置82‧‧‧儲水瓶90‧‧‧可便溺折疊式輪椅
