The symptoms of vaginal bleeding just after 15 days of menstruation are usually clinically considered as menstrual disorders due to irregular lifestyle or mental factors, and may also be a normal manifestation of ovulatory bleeding. If the symptoms occur frequently or persist without relief, abnormal vaginal bleeding caused by other disease factors should be considered and should be dealt with according to the cause: a. Physiological factors: Ovulatory bleeding is often considered to be caused by a decrease in the body’s estrogen level, resulting in partial shedding of the endometrium and bleeding, which will lead to vaginal bleeding, usually less than the amount of menstruation, and may be manifested as brown discharge or leukorrhea with blood, accompanied by mild abdominal pain. The symptoms will be relieved on their own as ovulation ends. Pathological factors: 1. Menstrual disorders: such as excessive mental stress, sudden change of living environment, or cold environment, excessive fatigue, irregular work and rest, frequent late nights, or frequent oral contraceptive pills may lead to menstrual disorders and early onset of menstruation. Under the advice of a professional doctor, Chinese medicine can be used to regulate the menstrual cycle, such as Yimoucao Punch and Angelica Pills, which can also promote the normalization of the menstrual cycle and volume. At the same time, it is necessary to pay attention to regular and reasonable dietary arrangements, ensure sufficient sleep, maintain a positive and optimistic attitude, and enhance warmth. 2. Other diseases: Commonly seen in uterine pathologies, such as acute cervicitis, uterine fibroids, endometriosis, endometrial polyps, etc. Patients may experience abnormal vaginal bleeding symptoms, which can easily be mistaken for another menstrual flow. Usually it can be accompanied by pain in the lower abdomen, the appearance of a mass, increased vaginal discharge or pressure on the bladder with abnormal symptoms such as frequent urination and painful urination. Generally, imaging tests are needed to determine the site of occurrence and the type of disease, and patients can receive medication or surgical treatment under the guidance of a doctor, etc. Meanwhile, attention should be paid to strengthening personal hygiene during treatment.