Penis circumference 10cm is still considered normal.
The penis is a male-specific tissue organ, daily penis is in a sagging condition, under sexual stimulation, erection can occur.
In general, the penis of an adult male is around 7-9 cm in circumference when it is weak and pendulous, and the length is usually around 5-6 cm. When erect, the penis becomes longer and larger due to blood entering the corpus cavernosum, and the girth is usually around 10 centimeters and the length is around 10-12 centimeters. So, a penis with a girth of 10 centimeters is still normal.
Usually pay attention to the protection of the penis, on the one hand, pay attention to personal hygiene, cleaning the penis, pay attention to the glans, the coronal groove and other areas of the glans, to prevent the formation of foreskin scale, will be the incidence of circumcision and glansitis. On the other hand, to maintain good living habits, avoid indulgence, masturbation and other situations. At the same time, to reasonable diet, try not to smoke and drink alcohol, to reduce the risk of erectile dysfunction and so on.