If the patient’s menstruation is not clean for more than ten days, except for pregnancy-related factors, it may be caused by uterine fibroids, endocrine disorders, endometrial polyps, etc. The patient should consult a doctor for a clear diagnosis in a timely manner, and use medicines, surgery and other therapeutic measures under the guidance of the doctor. 1. Uterine fibroids: patients often have symptoms such as increased menstrual flow, prolonged duration of menstruation, dysmenorrhea and lower abdominal swelling. At this time, patients can use gonadotropin-releasing hormone analogs, mifepristone and other drugs under the guidance of the doctor for treatment, or surgical treatment. 2. Endocrine disorders: due to the fact that the patient is in puberty, the body secretes unstable hormone levels, resulting in unstable menstrual periods. At this time, patients do not need to worry too much, after a period of time will improve on their own. 3. Endometrial polyps: may be due to high estrogen levels, inflammatory stimulation and other factors, patients often have excessive menstruation, prolonged menstruation and other symptoms, at this time the patient should be under the guidance of the doctor to use drugs such as dextroprogesterone for treatment, or surgical removal of polyps under the guidance of the doctor’s treatment. There may also be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.