Irregular vaginal bleeding should seek medical attention in time to clarify the condition and take medication or surgical treatment according to the cause. First of all, to clarify the presence of pregnancy, pregnant women will have irregular bleeding, excluding pregnancy is mainly considered to be related to endocrine disorders, inflammation and polyps, uterine fibroids, malignant tumors and other organic diseases. 1. Pregnancy status: pregnant women may experience irregular vaginal bleeding, which may be caused by miscarriage, preterm labor, or the possibility of seeing red at full-term pregnancy, etc., and need to consult a doctor in time, according to the condition of the targeted treatment. 2. Endocrine disorders: Women who suffer from endocrine disorders caused by disturbed lifestyle, excessive mental stress, polycystic ovary syndrome, premature ovarian failure, etc. may experience irregular vaginal bleeding. Patients need to actively adjust their lifestyles and use estrogen and progesterone preparations such as ethinyl estradiol cyproterone tablets and drospirenone ethinyl estradiol tablets as prescribed by the doctor. 3. Inflammation: vaginitis, cervicitis, endometritis and other pelvic inflammatory diseases may have a small amount of bleeding, which may be accompanied by lower abdominal pain, vaginal itching or burning pain, etc., and need to be actively taken according to the condition of the anti-infection treatment. 4. Organic diseases: endometrial polyps, cervical polyps, uterine fibroids, endometrial cancer, cervical cancer, vaginal cancer, ovarian cancer and other diseases may lead to irregular vaginal bleeding, which need to be treated with targeted treatment, including surgery, medication, radiotherapy and other methods. There are many causes of irregular vaginal bleeding, so women are advised to go to the gynecology department of regular hospitals in time, and then take active treatment under the doctor’s guidance after clarifying the causes of the disease, rather than blindly using medicines on their own, so as to avoid delaying and worsening the condition.