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.