OBJECTIVE: To raise the main founds of high digestive endoscopy (EDA) in patients with laryngopharynx previous diagnosis of reflux. MATERIAL AND METHODS: Retrospective study of EDA results and test of urease of 133 patients taken care of between January of 2011 to December of 2011 chosen teams with previous diagnosis of RLF through video- pharyngolaryngoscopy. In the suspected cases, they had been still submitted the biopsy for diagnostic complementation. RESULTS: The main findings had been gastritis (77%), distal esophagitis (59%), hypofunction of the cardic (40%) and hiatal hernia (32%). In 9% of the patients one identified to esophagus of Barret and neoplasias in 2,2% of the patients. In 2 cases fungal esophagitis was identified. 12% of the patients only present normal EDA. In 30% of the patients H was identified. Positive Pylori. CONCLUSION: The high digestive endoscopy demonstrated to be an important examination in the complementary diagnosis of the co-morbidities that can follow laryngopharynx reflux can intervene with the establishment of the therapeutical behavior.