The ultimate goal of treatment of glottic malignancy is eradication of the cancer and preservation of maximum function. Ideally this would mean return of normal speech, respiration and deglutition. The foundation of vertical partial laryngectomy (VPL) is based on the knowledge of laryngeal anatomy and an understanding of how cancers invade the larynx. The VPL surgery of the glottic cancer is based on oncological sound principles, which will be further disscussed in this article. For the purpose of description we briefly presented 3 of our cases that underwent vertical partial laryngectomy for glottic cancer.