A little bit of menstruation every day, which is a manifestation of scanty menstruation and drenching menstruation, is the most common type of menstrual disorder. The main causes of this symptom include: 1. Hypothyroidism, patients with hypothyroidism will have obvious menstrual disorders, which are manifested as scanty menstruation, low menstrual flow, and dribbling of menstruation; 2. Uterine adhesions, there are multiple intrauterine surgical operations, which lead to damage to the endometrial basal layer and fibrosis of the uterine cavity endometrium. The endometrium is not responsive to the action of estrogen, resulting in low and irregular menstrual flow, often accompanied by more obvious dysmenorrhea; 3. Severe anemia is also a common cause of menstrual disorders and low menstrual flow in women. Patients should go to public hospitals in a timely manner for routine blood tests, thyroid function, sex hormone six, ultrasonography, etc., to clarify the specific causes and then proceed with treatment.