A kind of wheelchair structure-improved,Including a chair frame,One cushion,One pad lid,Two Hous wheel and two front wheels,The bottom of the chair frame have towards Hou be open and for a closestool by Hou side enter one of accommodating space,The cushion is set in the what chair frame and the surface of the position what accommodating space,And be available for users to and take what thereon,Upper with perforation on the cushion,One of lower perforation,The pad lid is set in the what chair frame,The top surface that can be stirred downwards and be covered on the cushion makes to be available for users to seating what thereon,Also it can open upwards and manifest the cushion,The two Hous train is rotationally incorporated in the place, Hou side of the chair frame two sides,The two front wheels system is rotationally incorporated at the front of the chair frame two sides； It is directly sitting on the wheelchair and goes to the toilet to reduce unexpected occur for handicapped patient by above structure system.一種輪椅改良結構，包括一椅架、一坐墊、一墊蓋、兩後輪及兩前輪，該椅架的底部具有朝後開口且可供一馬桶由後方進入之一容置空間，該坐墊設於該椅架上且位於該容置空間的正上方，並可供使用者乘坐於其上，該坐墊上具有貫通上、下之一穿孔，該墊蓋設於該椅架上，可向下翻動而覆蓋在該坐墊的頂面使可供使用者乘坐於其上，亦可向上翻開而顯露出該坐墊，該兩後輪係可轉動地結合在該椅架兩側的後方處，該兩前輪係可轉動地結合在該椅架兩側的前方處；藉由上述結構係可供行動不便之患者直接坐在該輪椅上如廁以減少意外的發生。
