The present disclosure relates, according to some embodiments, to a puncture needle that can prevent the occurrence of coring. A puncture needle according to the present disclosure includes a cannula provided with a lumen. The cannula has a blade surface. The blade surface has: a sharp region located on a tip side of the blade surface and provided with a sharp edge on inner and outer circumferences of the blade surface； and a blunt region located on a base end side of the blade surface and provided with a blunt edge on the inner and outer circumferences of the blade surface. A tip of the blade surface is provided with a thick portion formed by a boundary between two surfaces, and the boundary forms an edge.
