The present invention discloses a backlight module, comprising: a light guide plate, which comprises at least one light incident side; a light source, which is provided adjacent to the light incident side; and at least one quantum dot film strip, which is provided between the light source and the light incident side; wherein, the light emitted from the light source is irradiated to the light incident side through the quantum dot film strip. The present invention further discloses a liquid crystal display device having the backlight module.