There are many reasons that can lead to vaginal dryness: 1, when couples have sex, women are not psychologically prepared, there is not enough sexual arousal and sexual impulses, men go straight to the point, which will make women’s bodily fluids secretion is less, and thus vaginal dryness occurs. 2, endocrine dysfunction, if due to certain reasons, such as mental factors, overwork, etc., so that the amount of sex hormone secretion is reduced, it will lead to a reduction in vaginal secretion, and the vagina occurs. 3, women enter menopause after the ovarian function gradually decline, secretion function is weakened, will lead to the lack of leukorrhea and vaginal dryness. 4, other reasons, if the number of abortion is more, breastfeeding time is too long, mental depression, vaginismus, taking birth control pills, chronic hepatitis, diabetes, hyperthyroidism or hypothyroidism, etc., are prone to affect the endocrine function, and make the female vaginal dryness.