Ventilation at the pubic area is the medical term for vaginal blowing, the occurrence of which is mostly related to gynecological inflammation, multiple deliveries, aging and so on. 1. Gynecological inflammation: if the patient has bacterial vaginosis, trichomonas vaginitis and other gynecological inflammation, due to the large number of pathogens multiplying in the vagina, the vaginal mucosal secretions and pathogens react with the vaginal discharge and other discomforts, and at the same time, the woman will have a combination of leucorrhoea, vulvar itching and other symptoms. 2. Multiple deliveries: During pregnancy, women’s abdominal pressure increases, which in turn presses the pelvic floor tissues. If women give birth vaginally at the same time, it will lead to the relaxation of the vagina and pelvic floor structure, and then the patient will suffer from vaginal discharge, stress incontinence, and even prolapse of the vaginal wall. 3. Aging: As women age, the function of muscles and connective tissues gradually decline, unable to maintain the normal position of organs and vaginal and uterine prolapse, vaginal localization of excessive gas retention will cause vaginal discharge. For women with vaginal discharge, it is recommended to go to the gynecology department of a regular hospital, complete the examination of the leukorrhea and other related examinations, and then take active treatment under the guidance of the doctor after clarifying the cause of the disease.