To provide an artificial nail or the like which can ease the attachment and detachment of an ornament without damaging the mounting strength of the ornament.

The artificial nail 1 includes an artificial nail body 10 and the ornament 20. The artificial nail body 10 is attached in a state of facing a fingernail or a toenail. The ornament 20 is attached to the artificial nail body. The artificial nail body 10 and the ornament 20 include a magnet 31 and a magnet 32, respectively. The artificial nail 1 permits the ornament 20 to be mounted on the artificial nail body 10 by the magnetic force of the magnets 31 and 32.