Penile curvature refers to the curved state of the penis when it is erected, and if the curvature is more serious, it may affect the patient’s sexual intercourse and fertility, and the common possible causes are: first, hypospadias, children with hypospadias are often accompanied by a shortage of dorsal prepuce tie, and then the penis may appear to be curved down when it is erected. This situation is also accompanied by the abnormal position of the urethral opening, it is often not located in the middle of the penis, but located in the coronal groove or the middle of the penis, and in severe cases may even be open in the perineal area, belonging to the congenital development of deformity, the treatment requires surgical treatment, surgery to correct the penile curvature deformity, and then in the extension of urethral opening. Secondly, all kinds of trauma caused by localized narrowing of the foreskin, when erection can appear penile curvature and accompanied by pain during erection. This situation has a clear history of trauma, it is recommended that the examination if found for the foreskin tie, or other parts of the foreskin shortening caused by penile curvature, the need for surgical release. Third, trauma-induced rupture of the white membrane of the penis, resulting in penile curvature during erection, which mostly occurs in the erectile state of the penis by trauma, or violent sexual intercourse and other causes of damage to the white membrane. In this case, after the healing process of penile curvature, we have to do penile leucoplasty to make the penile curvature correct and restore its normal function.