A medical puncture needle according to the present invention includes a distal end portion including a needle point and a rod-like main body portion continuous with the distal end portion, in which the distal end portion includes a blade surface, the blade surface includes a first blade surface portion and a second blade surface portion intersecting each other to be a ridgeline to form a blade edge having the needle point as one end by the ridgeline and includes a third blade surface portion continuous with each of the first blade surface portion and the second blade surface portion on the main body portion side, and the third blade surface portion includes a protruding curved surface.
