An intraocular insertion device capable of safely performing discharge operation of a lens by a simpler construction. The intraocular lens insertion device has a body provided with a lens placement section where the lens is placed and a tube section for inserting the lens into an eye and has a plunger for discharging the lens placed on the lens placement section. The lens placement section has an upper holding member and a lower holding member. The upper holding member has a rib projecting on advancement axis A, to the lower side of the lens placement section. The lower holding member has a U-shaped cross-section and is constituted of a left and right pair of uprising sections and a pressing section uniting the uprising sections at their lower ends.