The causes of blood seepage from both sides of labia minora include external local stimulation, vulvitis and vaginitis, labiaplasty and other causes. 1. External local stimulation: the skin of female private parts is relatively fragile and rich in blood vessels and loose tissues, poor hygiene habits or excessive stimulation of chemicals may lead to redness and swelling of the vulva, rupture of subcutaneous blood vessels leading to blood seepage, or may lead to vulvovaginitis. 2. Vulvovaginitis and vaginitis: usually caused by bacterial infection or sexual intercourse, which makes the vulva itchy and swollen, and at the same time, there may be rupture of subcutaneous blood vessels, resulting in blood seepage from the labia. 3. Labiaplasty: the blood vessels of the labia minora may be damaged during the surgery, resulting in blood seepage after poor healing of the sutured wounds. In addition to excessive exercise, chronic vulvar malnutrition, and even vulvar malignant lesions may also appear on both sides of the labia minora blood seepage symptoms, when the physiological factors are ruled out, it is recommended that the patient consult a doctor in a timely manner, a clear diagnosis of targeted treatment. Pay attention to physiological health, develop good hygiene habits and avoid contact with irritating chemicals.