There are many reasons for vaginal darkening: firstly, it can be influenced by genetic factors, which directly determines the melanin deposition, so many people’s vaginal darkening is influenced by genetic factors. Secondly, the hormonal changes in the body cause a melanin deposition phenomenon. Long-term use of hormonal drugs and hormonal care products can easily cause the skin to become darker and the pigmentation in the pubic area to become deeper. Finally, and daily habits are also related, usually too frequent sex, because of the local friction, so it will also cause local pigmentation phenomenon, thus causing the symptoms of black, which is a relatively common performance, for women’s health does not cause impact. This is a common symptom and does not affect women’s health. All women need to do is to pay attention to vaginal hygiene and prevent various vaginal infections.