Glass material has sophisticated mechanical and physical properties and is widely used in various industrial fields such as optics, biomedical and electronics. However, due to its brittle nature, glass is hard to process material. In order to produce a part with a good surface quality, glass is processed in liquid or viscous state. Conventional machining results in poor surface quality and sometime fracture of the part. This paper investigates applicability of micro milling method in processing glass material. The effect of cutting parameters, such as cutting speed, feedrate and depth of cut, on generated surface quality is evaluated via surface examination under optical microscope. Experimental results showed that selection of right cutting parameters is extremely important, and it has direct effect on cutting mechanism and generated surface quality.