PROBLEM TO BE SOLVED: To provide an operating platform capable of heightening operability of a combine harvester, facilitating the movement of an operator and further facilitating watching of meters. SOLUTION: This operating platform is constituted so that the height H of an oblique displaying face 7 of a mater box 6 may be larger than the width D of a switch panel 2 in the front and rear direction in the meter box 6 installed in the corner part between the switch panel 2 having arranged switches at the front side of an operating sheet, and a crutch panel 3 having arranged clutch levers, and having arranged meters stand near the sight line A direction from the operation sheet 1 to the lateral end part of a grain culm-raising device of a front reaping device.