Hypospadias is the most common congenital urethral malformation when the penis is bent and the urethral orifice is not in the normal position. According to the position of urethral orifice, hypospadias can be divided into penis head type, penis type, scrotum type and perineum type, among which penis head type and penis type account for the majority. Hypospadias is the most common congenital malformation of the middle urethra and external genitalia in boys, which is hereditary. The incidence rate is about 125-250 boys. The penis of this disease is short and bent to the ventral side, which requires surgical plastic surgery, otherwise it will affect urination and sexual function in the future. It is best to complete the operation before school age, which can be completed in stages or at one time according to the actual situation.