If the menstruation has not been clean for ten days, and the amount of menstruation this time is the same as that in the past, there are the following clinical reasons that can lead to this situation: 1, due to endocrine disorders, for example, the body’s estrogen is insufficient, which makes the endometrium has no way to repair the menstruation as soon as possible, so that the time of menstruation is prolonged; 2, due to inflammation of the endometrium leads to the organization of the brittle, which will cause the time of vaginal bleeding Prolonged vaginal bleeding; 3, due to the submucosal fibroids are growing into the uterine cavity, the endometrium area is relatively large, affecting the uterine contraction caused by prolonged vaginal bleeding; 4, clinically due to certain endometrial lesions, such as atypical hyperplasia or endometrial cancer, or due to the endometrial polyp can lead to menstrual dribbling situation. It is recommended that routine blood tests, coagulation time tests, sex hormone six tests and ultrasound should be done in this case, and the necessary treatment should be given according to the results.