<p>An installation structure of the wire harness includes an electric wire and a corrugated tube arranged outside an outer periphery of the electric wire. The corrugated tube includes a bellows-shaped tubular portion having circumferential protrusion portions and circumferential recessed portions which are alternately arranged in an axis direction of the electric wire, and a straight tubular portion having a straight wall portion extended in the axis direction and a bend portion with good bendability interposed in an intermediate position of the straight wall portion. The bellows-shaped tubular portion is arranged in the curved section and the straight tubular portion is arranged in the straight section.</p>
