A medicinal solution collecting tool of the invention includes: a pillar-shaped portion including an insertion end and a withdrawal end a collecting section provided on the insertion end side of the pillar-shaped portion a collecting port provided on a surface of the pillar-shaped portion and a guide section provided on the surface of the pillar-shaped portion, the guide section including a first guide section being convex or concave and parallel to an axial direction of the pillar-shaped portion, and a second guide section provided on the withdrawal end side relative to the first guide section, the second guide section being convex or concave and crossing the axial direction of the pillar-shaped portion.
