Menstrual dribbling mainly includes the following aspects: 1, during the menstrual period or just after the end of menstruation, premature sexual intercourse, resulting in pelvic tissue congestion and edema, the shedding of the endometrium trauma repair is not good, so that the menstrual dribbling; 2, suffering from endometrial inflammatory diseases, affecting the endometrium of the exfoliation and repair, resulting in menstrual blood dribbling; 3, during the menstrual period drinking alcohol, the alcohol effect Drinking alcohol during menstruation, the effect of alcohol on blood vessels, so that the uterine blood vessels dilated, blood circulation accelerated, resulting in increased menstrual flow, menstrual period prolonged; 4, menstruation during the diet is not appropriate, eating too cold food or too spicy and stimulating diet, affecting the uterus part of the blood circulation, may also lead to menstrual dribbling; 5, endometrial polyp, the site of the lesion of the abnormal bleeding caused by menstrual blood dribbling.