A lithography apparatus is provided. The apparatus includes: a stage, a first light source unit, an optical system, an image obtaining means, an image edit means, an LC panel, and a second light source unit. The LC panel is coupled with the optical system and receives a signal of the image edited by the image edit means and displays the received image to perform a photo mask function. The second light source unit provides light used in performing an exposure on the test material using the imaged displayed on the LC panel for a photo mask.