To provide an accelerator pedal installing foot position confirming device capable of reliably, quickly, properly and continuously stepping for many hours without dislocating the foot side by precisely placing a toe on a proper position of an accelerator pedal in the touch without relying on a visual sense.

A hook 3 is arranged on the left side of the base part 2. A lateral dislocation preventive side 4 is suspended on the right end of the base part 2. A screw slide hole 5 is opened in the width direction of an accelerator pedal 1 in the prescribed part of the base part 2. A bolt 6 is inserted into the screw slide hole to be fastened by a nut 8 by penetrating through an accelerator pedal reverse presser plate 7. An angle 7a is applied to one end part of the accelerator pedal reverse presser plate 7 so as to hook on the reverse of the accelerator pedal 1, and an angle 7b is also applied to the other end part so as to support the bottom surface of the base part 2.