Introduction: Chronic inflammation of the nasolacrimal bag obstruction of the flow of tears is called chronic dacryocystitis. By endoscopic dacriocistorrinostomy, you can resolve this obstruction without external scars and a relatively simple and safe. Objective: To determine the incidence of patients with chronic dacryocystitis in our service operated endoscopicaly, evolution and recurrence. Materials and Methods: A retrospective cross-sectional study from 2002 to 2012 by review of clinical histories with diagnosis of chronic dacryocystitis operated on the Chair of Otolaryngology, Hospital of Clinics. Assumption - Paraguay Results: there were 6 cases of which 50% for each sex, the average age for females was 38 years old and for males an average of 44 years old, they all looked for epiphora, 100% performed surgery via endoscopic opening of the lachrymal sac and in one case was used to prevent restenosis tutor was withdrawn a week, 100% of patients had no recurrence. There were no postoperative complications found. Conclusion: In the last decade endoscopic surgery to repair primary and recurrent lachrymal obstruction is elected by limited complication recurrence.