Most vaginas that are sexually active show signs of vaginal laxity, a larger vaginal opening, and darker colored labia. However, in some people, the vaginal changes are not obvious. In general, too much sex will lead to vaginal elasticity deterioration, shallow mucosal folds, resulting in vaginal laxity, vaginal opening larger performance, it is recommended to reduce the number of times of sex or pelvic floor muscle repair to improve the symptoms. With the increase of sexual life, due to the body’s sex hormone stimulation of the labia, and then the color of the labia slowly become darker and deeper. However, due to congenital reasons, some people’s vaginal changes may be less obvious. For example, a small number of older women who have sex may still have pink labia. Therefore, no generalizations can be made. In conclusion, most women who have had sex will have loose vaginas, larger vaginal openings and darker labia. It is recommended to wash the vulva before having sex to maintain vulvar hygiene.