Abstract: To provide an intraductal foreign body removal instrument which can remove fibrous foreign bodies 80 out of a duct 90 without damaging inner walls of the duct 90 using a simple mechanism. The instrument has a flexible insertion tube 20 inserted in the duct 90, a wire 30 made of flexible wire material and inserted in the insertion tube 20; and a rotating device 40 which rotates the wire 30 in the insertion tube 20. Furthermore, the instrument 10 has a flexible guide tube 25 which is inserted in the duct 90 and into which the insertion tube 20 is inserted loosely.