The difference in the depth of a woman’s vagina is mainly related to her height and weight. Normally, the length of the back wall of the vagina is around 10~12cm, and the length of the front wall is 7~9cm. Due to the influence of height, weight, or congenital factors, the actual depth of the vagina will have a certain difference. In addition, the vagina belongs to the tissue with its own elasticity, with many transverse folds and elastic fibers, with a certain degree of stretch. At the same time, the daily physiological state of women will also make their own vaginal depth changes, in the body’s state of excitement, the vaginal depth will increase, the width of the vagina will also change, pregnancy will also have an impact on the depth of the vagina. Therefore, the female vagina has its own depth, and the depth is in the state of being able to change.