Methods: From January 2007 to December 2009, at Children Hospital No. 2, there were 231 patients who underwent surgical treatment for hypospadias, ages from 12 months to 15 years old (mean age 7.3), including middle hypospadias in 129 (56%) and posterior hypospadias in 102 (44%); tube flaps in 42 (19%) and onlay flaps in52 (22%); double face in 54 (23%) and Duplay in 83 (36%).