1. An electronic apparatus for displaying an image, the electronic apparatus comprising: a storage unit for storing information of the image; a display for showing the image; and a processor for adjusting saturation of an area of an image for the image to be displayed in the display of the electronic apparatus, the processor comprising: a deviation calculation device for calculating a deviation level of a pixel in the area of the image, the deviation level indicating brightness differences of the brightness values among the pixel and a pixel set in a vicinity of the pixel in the area of the image, the pixel set comprising pixels in the vicinity of the pixel in the area of the image; and a modification calculation device for calculating a modified saturation value of the pixel in the area of the image according to the deviation level of the pixel in the area of the image and an original saturation value of the pixel in the area of the image to achieve saturation adjustment of the pixel in the area of the image.