Abnormal uterine bleeding is not particularly serious, but it is serious if it is caused by organic pathology, dysfunction or medical factors. Abnormal uterine bleeding is not particularly serious if the patient’s pathologic examination does not show any abnormality, the uterus does not have organic lesions, but a small amount of vaginal bleeding is caused by endocrine factors. Medications can be applied to ensure regular menstrual periods and menstrual flow, and treatment is usually more effective. Abnormal uterine bleeding is serious if it is caused by organic lesions, dysfunction or medical factors. Organic lesions, such as endometrial polyps, uterine smooth muscle tumors, etc.; dysfunctions, such as anovulation, ovulation bleeding, etc.; medical factors, such as the use of sex hormones. If left untreated it may lead to infertility and endometrial cancer. In addition, the daily life management of patients with abnormal uterine bleeding should start from nutritional hygiene, personal hygiene, mental hygiene, etc., and prevent the occurrence of the disease by developing good living habits, appropriate exercise, and keeping a happy mood. Once abnormal uterine bleeding occurs, it is important to consult a doctor in time to avoid delaying the condition.