Want to increase the length of the penis can be achieved through surgery. After normal men miss the period of penile development, the penis cannot grow a second time and can only be achieved through surgery. The length of the penis is not the only measure of the quality of sexual life, as long as the male penis is not less than 4cm during weakness and 7cm during erection, it is not considered short. If it is lower than this value and both partners are unable to achieve pleasure, you can choose to lengthen the penis with penile lengthening surgery. Penis lengthening is a relatively common procedure that can be performed to lengthen the penis by several centimeters by means of self-lengthening. There is a risk of the surgery leading to impotence or premature ejaculation, so it is recommended that you must go to a regular hospital and choose a professional doctor, and you must think carefully before doing the surgery.