There are many causes of non-menstrual bleeding, the common ones are ovulatory bleeding, endocrine disorders, and in addition may be related to pregnancy, vulvar laceration, vaginitis, or cervical or uterine diseases, such as cervical polyps, severe cervical erosion, endometrial polyps, endometrial cancer, etc. 1. Ovulatory bleeding: Due to a brief drop in estrogen levels caused by ovulation, the endometrium of some women will thus This causes regular vaginal bleeding. Most of this vaginal bleeding is occasional, with little bleeding or brown discharge, and will stop on its own in 2-3 days. If there are women with persistent ovulatory bleeding, they need to go to the hospital to exclude the possibility of other diseases and then take oral medication or Chinese medicine treatment under the guidance of a doctor. 2. Endocrine disorders: such as luteal atrophy, hyperprolactinemia, polycystic ovary syndrome, etc., which cause an increase or decrease in hormone secretion, resulting in abnormal menstruation and the above symptoms in women. Can be treated with oral progesterone, daily should be a balanced diet, appropriate exercise, relieve stress, help maintain the health of the endocrine system; 3, taking emergency contraceptives: the use of emergency contraceptives: non-menstrual bleeding may also be women recently had intercourse after the use of emergency contraceptive drugs caused by withdrawal bleeding, most of the bleeding will stop within a few days, if found more than bleeding or bleeding symptoms, should promptly Go to the hospital for examination and treatment; 4. Pregnancy: early pregnancy and miscarriage, ectopic pregnancy and gestational trophoblastic diseases such as staphylocytosis will show symptoms of non-menstrual bleeding. It is recommended to go to the hospital for blood HCG test and ultrasound to clarify the cause and choose drug or surgical treatment; 5. vulvar laceration: non-menstrual bleeding with a history of trauma to the pubic area should be considered to be caused by vulvar laceration. The laceration is compressed with gauze in mild cases and closed with absorbable thread in severe cases. Attention should be paid to bed rest, eating a diet with less residue, and scrubbing the perineum after each bowel movement; 6. Vaginitis: the presence of non-menstrual bleeding along with vulvar itching and abnormal leucorrhea may be caused by vaginitis resulting in a small amount of bleeding caused by damage to the vaginal mucosa, and gynecological examination and examination of vaginal secretions should be done. Take oral antibiotics for systemic treatment or use suppositories locally. Prohibit sexual intercourse during treatment, avoid vaginal nasal pills and tub bath during menstruation; 7. Cervical or uterine diseases: such as cervical polyp, severe cervical erosion, precancerous cervical lesion, cervical cancer, endometrial polyp, endometriosis, abnormal endometrial hyperplasia, endometrial cancer, etc. In addition to the above symptoms, there will also be manifestations such as increased leucorrhea, frequent urination, lower abdominal pain, and in severe cases, a lump may be palpated in the abdomen. In this case, you should go to the hospital to clarify the cause and give medication or surgical treatment. 8. Intrauterine device: After intrauterine device and other uterine operations, non-menstrual bleeding symptoms may also occur. Generally the bleeding is small and can stop on its own, if necessary, follow the doctor’s instructions to take hemostatic drugs for treatment.