-Functional septoplasty is successful in alleviating the symptom of nasal obstruction resulting from different patterns of deviated nasal septum. For cases of inferior turbinate hypertrophy, medical treatment should be tried before deciding laser surgery. On deciding laser surgery, the patient should understand that the target of treatment is to relive nasal obstruction not to treat the original condition . Acoustic rhinometry has proved to be an effective tool in quantitatively assessing nasal obstruction. MCA and Req. Are closely related, thus one or both can represent postoperative improvement.