Mouth gag is surgical outfit, is used to keep the patient’s mouth open during operation or surgery, allowing the surgeon to freely operate without engaging any hand. The invention of this device has facilitated the oral surgery. Surgical Mouth Gag should be designed in way that it can be safely and easily inserted and removed from the oral cavity and be capable of keeping the mouth open as widely as possible in order to offer easy access to area to be operated by pulling back all the oral cavity's organs such as Larynx, Tongue, and etc. Mouth gags enhance the vision of surgeon and do not impede surgical procedures. Above all it renders illumination for the dark alcove of surgical area and keeping the jaws a wide open and for taking the tongue away from the oral cavity.