THE PRESENT INVENTION PROVIDES A METHOD FOR PRODUCING A FAT-AND-OIL HAVING AN INCREASED CONTENT OF CIS-MONOUNSATURATED FATTY ACID GROUPS, INCLUDING HYDROGENATING THE RAW FAT-AND-OIL HAVING POLYUNSATURATED FATTY ACID GROUPS WITH THE HYDROGENATION CATALYST CONTAINING AT LEAST ONE ELEMENT SELECTED FROM ELEMENTS IN GROUP 11 IN THE PERIODIC TABLE.