The cause of vaginal bleeding needs to be identified, and targeted treatment can be given according to the cause. Vaginal bleeding can be caused by physiological or pathological reasons, such as pelvic inflammatory disease and endometriosis. Physiological causes generally do not require treatment, while pathologic causes of vaginal bleeding need to be given targeted treatment under the guidance of a doctor. 1. Physiological reasons: women will have vaginal bleeding every month during menstruation, which is a normal physiological phenomenon and requires no treatment, and will return to normal after menstruation. 2. Pelvic inflammatory disease: the main use of drug treatment, can follow the doctor’s instructions oral antibiotics, such as ornidazole tablets; also can be treated with intravenous infusion, commonly used drugs such as ornidazole injection, metronidazole injection. 3. Endometriosis: comprehensive treatment mainly based on surgery and medication. Drug therapy to inhibit ovarian function for the purpose of preventing the development of ectopic disease, can be prescribed oral contraceptive pills, dienogest and so on. Surgical treatment is aimed at removing the lesions and cysts visible to the naked eye and preserving the patient’s fertility. In the clinical situation of persistent vaginal bleeding and water, it is necessary to consult the doctor and take treatment in time to avoid delaying the condition.