Posterior glottic stenosis and bilateral vocal fold immobility cause obstruction of the airway at the glottis. Presentation of this problem may vary according to the cause. Full evaluation of the status of the larynx is crucial with regard to the mobility of the arytenoid cartilage and innervation of the laryngeal musculature. There are many techniques for surgically treating this condition, each with advantages and disadvantages. The surgeon should be familiar with a variety of these procedures and be able to adapt to each patient's situation.