Introduction: Functional Endoscopic Sinus Surgery (FESS) is now undoubtedlythe procedure of choice for surgical treatment of chronic sinusitis and nasal polyposis afterfailure of medical treatment. In order to present the formation of synechie nasal packing isperformed. Moreover, it also helps in supporting the process of wound healing and preventionof postoperative bleeding. Objectives: To determine the frequency of synechiae formation afterfunctional endoscopic sinus surgery (FESS) in patients presenting with nasal polyps. StudyDesign: Descriptive case series. Setting: Department of Otorhinolaryngology at ServicesHospital Lahore. Period: Six months from 03-10-2013 to 02-04-2014. Methodology: A total of150 cases were included in this study. Patients were treated by functional endoscopic sinussurgery (FESS) and were followed at the end of 1st, 2nd, 3rd and 4th week postoperatively forthe development of synechiae (as per operational definition). Results: The age of majority ofpatients was from 20 to 40 years and minimum patients were < 20 years old. Mean age of thepatients was 35.30±10.54 years. Male patients were 80 (53.3%) while female patients were 70(46.7%). Synechiae formation was observed in 28 patients (18.7%). Conclusion: Synechiaeformation was developed in 18.4% of the patients after functional endoscopic sinus surgery.