The present invention exchange of seat for normal and toilet seat is to provide a mobile assistance wheelchair that can smoothly. A seat surface 6 of the mobile assisted wheelchair is composed of a normal for the central seat portion constituting the seat portion and the central portion constituting the outer peripheral portion, and adjustable height of the seat, the longitudinal direction or the lateral direction in, you put the inclination or stage. Replacement of normal for the central seat and Omar (simple toilet bowl), and removable assistance, such as trousers, underwear I can remain sitting. .BACKGROUND【課題】通常用座部とトイレ用座部の交換がスムーズにできる移動介助車椅子を提供する。【解決手段】移動介助車椅子の座面6を、外周部を構成する座部と中央部を構成する通常用中央座部で構成し、座部の高さを調節可能とし、前後方向または左右方向に、傾斜または段を付ける。通常用中央座部とオマル(簡易便器)の交換、およびズボン・下着などの着脱介助が坐ったままで出来る。【選択図】図1