A device for correcting ingrowing foot nails. It comprises a base (101 201 301 ), on which there are mounted means (111, 112 211, 212 311 ) for immobilizing the toe with respect to the base (101 201 301 ), means (121 221 321 ) pressing the middle portion of the nail towards the base (101 201 301), slidable and pivotable means (131, 132 231, 232 331) for manipulating at the lateral edge of the nail and slidable and pivotable means (141 241, 242 341) for manipulating at the front portion of the nail.