Itchy vagina may be a reaction to disease, there are mainly the following situations: 1, consider the emergence of vaginitis, due to the imbalance of flora inside the vagina, the emergence of bacterial or viral infections will lead to an increase in inflammatory secretions, stimulate the vaginal mucosa, thus producing vaginal itching symptoms. 2, may be often eat stimulating food and lead to an abnormal reaction, so that will have a certain degree of stimulation of their own body and pubic area will produce, thus producing vaginal itching problem. 3, may also be caused by other gynecological diseases, such as endometritis, pelvic inflammatory disease or malignant tumors and other diseases, after the emergence of these diseases, will directly affect the physiological balance of the vagina, resulting in the emergence of vaginal itching symptoms. 4, it may also be caused by allergies, such as allergy to condoms or contraceptive pills, and may be allergic to semen, etc., will lead to vaginal itching The problem is that it can lead to vaginal itching.