To provide a method for manufacturing artificial nails by which a plurality of artificial nails can be manufactured through a single molding operation so that artificial nails can be mass-produced and patterns can be variously and delicately printed on the artificial nails and the artificial nails can be made of a variety of materials including PET resin in addition to ABS resin.

This method for manufacturing artificial nails includes: a molding step to mold a flat sheet; a printing step to print decoration on the flat sheet; a heating step to heat the sheet with decoration printed thereon; a sucking step to suck the heated flat sheet by a vacuum molding die with a plurality of nail shapes; a cooling step to cool the sucked flat sheet; and a cutting step to cut the cooled flat sheet into individual nail shapes.