To provide a hair clip capable of preventing a user from taking two bunches of hair at a time and from leaving hair untaken in taking adjacent bunches of hair to be treated one by one.

The hair clip is for holding hair at a prescribed position on the head. The hair clip has a grasping blade 1 and a rectangular hair plate 2, which are connected with each other in such a way as openable/closable with their respective operation parts energized in the direction of closing by the operation of pressing/releasing the pressure on their respective knob parts. The surface of the hair plate 2 on which hair is placed is satin-finished, and is formed in the shape of a sheet whose upper part swells along the upper edge. The grasping blade is disposed along the swelling part on the rear surface of the upper part of the hair plate 2.