1. A method of correcting complexion color shift of LCD, comprising: obtaining accounting ratio of a complexion region of an image which will be shown in the LCD; comparing the accounting ratio of the complexion region to a predetermined value; and 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; wherein the first gamma value is larger than 2.2.