A fixing apparatus includes: a first rotating body that contacts a sheet for printing and heats the sheet; a second rotating body that rotates while pressing the first rotating body; a motor that rotates the first rotating body; and a hardware processor that determines whether an abnormal noise occurs on the basis of a plurality of condition values including a torque value of the motor, wherein the hardware processor performs abnormal noise prevention control that increases the rotation of the first rotating body or weakens pressing applied by the second rotating body to the first rotating body in a case where it is determined that the abnormal noise occurs.