A liquid crystal display device and fabricating method thereof are disclosed, by which insufficient or excessive filling of liquid crystals can be cured by adjusting a liquid crystal quantity in a liquid crystal display device having the insufficient or excessive filling of liquid crystals generated thereon. The present invention includes the steps of preparing a liquid crystal cell including a first substrate, a second substrate and a liquid crystal layer between the first and second substrates, checking a liquid crystal quantity within the liquid crystal cell, forming a hole in the liquid crystal cell, adjusting the liquid crystal quantity through the hole, and blocking the hole.