This intraocular lens insertion tool 1 is provided with: a hollow body 5 having a lens installation part 11 in which an intraocular lens 4 is installed； a plunger 9 that moves inside the hollow body 5 in an axial direction of the hollow body 5； a push-out member 10 that pushes out the intraocular lens 4 from the lens installation part 11 by moving forward together with the plunger 9 inside the hollow body 5 in the axial direction of the hollow body 5； a first flange 14a that protrudes from the outer circumferential surface of the hollow body 5； and a second flange 14b that is disposed closer to a rear end side than the first flange 14a and protrudes from the outer circumferential surface of the hollow body 5. When the hollow body 5 is viewed in the axial direction, the shape of the first flange 14a on the side of an A direction from the center O of the hollow body 5 toward the center of gravity G of the hollow body 5 in which the first flange 14a is disposed is asymmetric with respect to the shape of the first flange 14a on the side of an A' direction that is the inverse direction of the A direction. Moreover, when the hollow body 5 is viewed in the axial direction, the second flange 14b protrudes in at least the A' direction but the first flange 14a does not protrude in the A' direction, or the protruding distance of the first flange 14a is less than the protruding distance Ha of the first flange 14a in the A direction and less than the protruding distance Hb of the second flange 14b in the A' direction.Cet outil d'insertion de lentille intraoculaire 1 comprend : un corps creux 5 ayant une partie d'installation de lentille 11 dans laquelle est installée une lentille intraoculaire 4； un piston 9 qui se déplace à l'intérieur du corps creux 5 dans une direction axiale du corps creux 5； un élément de poussée vers l'extérieur 10 qui pousse vers l'extérieur la lentille intraoculaire 4 depuis la partie d'installation de lentille 11 en se déplaçant vers l'avant conjointeme
