Vaginal dry itch may be due to: 1, into the menopause after the vaginal dry itch symptoms, because the ovarian function decline, secretion of estrogen level is insufficient, the cervix and endometrium of the normal secretion of the glands of the weakening or loss of function, can not lubricate the vagina, thus causing this symptom, belonging to a physiological reaction. 2, long-term diet, excessive weight loss of women, estrogen in the body will also be a shortage of performance. 3, long-term gynecological chronic inflammatory diseases, so that the cervix and endometrium parts of the glands atrophy, loss of function, secretion of a serious lack of vaginal itching. 4, suffering from a number of systemic diseases caused by vaginal itching symptoms, such as diabetic vaginitis, uremia caused by vaginal itching, vaginal itching of patients with leukemia, vitamin nutrients in the body of patients with severe deficiency. Patients with severe deficiencies.