1. A method of correcting complexion color shift of LCD, comprising: receiving an image by the LCD; obtaining accounting ratio of a complexion region of the image from the LCD by using an accounting ratio of a complexion region obtaining unit; receiving the accounting ratio of the complexion region from the accounting ratio of a complexion region obtaining unit and comparing the accounting ratio of the complexion region to a predetermined value by a compare unit; applying a first gamma value to conduct gamma correction of the data of red color, green color, and blue color if the accounting ratio of the complexion region is larger than the predetermined value; and receiving the data being gamma corrected and displaying the data being gamma corrected on the LCD; wherein the first gamma value is larger than 2.4, and a range of the predetermined value is 0.1˜0.2.