The normal size of the male glans medical and no specific numerical provisions, generally normal adult male penis in the erectile state, the glans diameter of about 2 centimeters to 5 centimeters or so, as long as the physiological function is normal, there is no need to obsess about the size of the glans. Penis and glans size, clinically individual differences, as long as through sexual stimulation, penile erection can be normal sexual life, both sides can get orgasm, sexual satisfaction is normal. Normally, if you have a long foreskin, you need to pay attention to hygiene, diligently open the foreskin to clean the coronary groove secretions to prevent infection, if you have a circumcision, you need to go to the hospital as soon as possible to take the surgery to remove the excessively long foreskin, to lift the circumcision state. If the glans and penis have uncomfortable symptoms, as well as sexual dysfunction, you should go to the hospital as soon as possible for examination and treatment.