The benign tumors of infantile larynx are polyp, nodule, cyts and papilloma, its causes are V.A. laryngite, and larynx re flex. Ojective: The description on clinical epidemiologies of benign tumors of infantillarynx. Materials and Methods: Case study of 50 patients of benign tumors of infantillarynx, operateds at Hospital ENT central (2011-2012). Diagnostic clinical,endoscopic, histopathologic. Results and discussions: The age 10 years is 88 percent. The hoarse is 100 percent, the causes are V.A. (20 percent), and larynx reflex (14 percent), after cry (26 percent), laryngite (40 percent). Conclusion: The age 10 years is 88 percent. There is not differently of male children and female children.