A 25 years old male patient was experienced Trough method operation to correct of Tracheal stenosis following Tracheostomy. After admission, a No.3 Magill plastic portex tube had been placed in the previous tracheostomy opening. Stenotic narrowing portion was noted low trachea (about 3.5cm above carina) Despite of narrowing of the lesion, anesthetic course was uneventful with oxygen, halothane and non depolarized muscle relaxant by controlled respiration. Postoperative coures were also favorable With adequate respiratory cares and blood gas analyzed.