Endoscopic surgery or keyhole surgery is a minimally invasive medical procedure in which endoscope is used, and it has obtained wide acceptance and popularity in several surgical fields and has improved the standard of surgery.Endoscope is described as an ‘‘extra set of eyes,’’ and is the tool for innovations across multiple surgical fields and fabrication of a new instruments and surgical techniques. Various maxillofacial surgeries like TMJ disorders, jaw pathologies, trauma and facial aesthetic surgeries can be diagnosed and treated with lesser rate of complications using endoscopic techniques. This article presents a general review of use of endoscopy in maxillofacial surgery.