This document describes the submucous resection of the nasal septum procedure. It outlines the indications, contraindications, anesthesia used, positioning of the patient, steps of the operation including infiltration, incision, elevation of flaps, incision and removal of cartilage and bone, stitching, packing, and post-operative care. Potential complications are also listed. The submucous resection of the nasal septum is a procedure used to correct a deviated nasal septum causing nasal obstruction by elevating mucoperichondrial flaps and removing excess cartilage and bone.