Provided is an introducer sheath in which a sheath tube can be easily restored to a state before kinking even when the sheath tube of the introducer sheath is bent and kinked during a medical activity. Specifically provided is an introducer sheath which comprises a sheath tube that has a hollow structure continuous from the base end to the distal end and a sheath hub that is connected to the base end side of the sheath tube, wherein a return angle of the kink portion when the sheath tube is bent 180° is 0-15°.
