A liquid crystal display system is provided. The liquid crystal display system includes a backlight module, an LCD panel, and polarized glasses. The LCD panel includes a first polarizer, a liquid crystal layer, an array substrate, and a color film substrate. The polarized glasses include a second polarizer. The direction of the polarized light axis of the second polarizer is perpendicular to the direction of the polarized light axis of the first polarizer when the polarized glasses are used for displaying the display picture of the LCD panel. A private display can be performed for specific users by the present invention.