The disclosure relates to the technical field of liquid crystal display, and discloses a liquid crystal display module backlight structure which includes a light blocking tape, a FPC strip, rubber-iron layer, a reflective sheet, a light enhancement prismatic lens, a light guide plate, and a matt film layer, a first end of the matt film layer overlaps the FPC light strip and a second end overlaps the light enhancement prismatic lens; the first end is bonded to the light blocking tape and the second end is positioned between the light enhancement prismatic lens and the light guide plate.