An LCD liquid crystal display module with power-off display retention is disclosed. The LCD liquid crystal display module includes an LCD display screen, a LED backlight source and a power-off protection driver circuit board. The LED backlight source is disposed on the inner side of the LCD display screen. The power-off protection driver circuit board is mounted on the LED backlight source and the lower surface of the LCD display screen, and the power-off protection driver circuit board is connected to the LED backlight source through the pin. The power-off protection driver circuit board and the LCD display screen are connected through the metal pin on the LCD to form a complete LCD liquid crystal display module. The liquid crystal display module of the invention can keep the display of the current screen data after the system power is cut off, and realize the function of power-off display data storage protection, and prevent the display data from being lost.