To determine the safety and effectiveness of endoscopic partial adenoidectomy for the treatment of nasal obstruction in children with submucosal cleft palate. The medical files of children with symptoms of nasal obstruction and submucosal cleft palate who underwent partial transnasal endoscopic adenoidectomy from January 1993 to December 2003 were reviewed. Operative complications, relief of nasal obstruction, presence of postoperative velopharyngeal insufficiency were recorded. There were no operative complications. All the children had relief of nasal obstruction. Velopharyngeal insufficiency was not observed during the postoperative follow-up. Endoscopic partial adenoidectomy is a safe and effective procedure for the treatment of nasal obstruction in children with submucosal cleft palate.