If you are 30 years old and have a foreskin but an erection still reveals it, you may have pseudo-circumcision. Surgical treatment may be considered in case of recurrent triggering of glans phimosis. If there is no recurrent triggering of glans phimosis, surgical treatment is not considered. 30 years old have foreskin but erection can still be exposed, indicating that men have pseudo-circumcision, due to the soft state, the foreskin wrapped glans, repeatedly induced circumcision, glansitis, the infection will be controlled, you can consider circumcision surgery, will be too long foreskin excision. In the daily frequent cleaning of the foreskin, and proper care, without repeated triggering of glans phimosis, you can not consider surgical treatment, will not cause too much impact. In daily life should pay attention to the lower body clean, change underwear, avoid unclean sex, avoid triggering infection.