The level of risk of uterine nodules needs to be determined by the nature and size of the nodules. Nodules of the uterus include diseases such as fibroids, endometrial polyps, uterine sarcoma and cervical cancer. 1. Uterine fibroids: Patients with small uterine fibroids may not have any clinical symptoms and are not at risk, so they can be left untreated with regular checkups. However, large fibroids with compression symptoms may cause miscarriage, anemia, infertility, malignant changes and other serious consequences, which need to be timely treated by surgery or medication. 2. Endometrial polyps: Similarly, patients with large size, possible cancer and obvious symptoms need to be treated with surgery or medication in time. 3. Uterine sarcoma: Uterine sarcoma is a malignant nodule of the uterus, which is dangerous and should be treated actively to prolong the survival period. 4. Cervical cancer: cervical cancer belongs to dangerous uterine nodules, due to its malignant proliferation and infiltration and metastasis, it will affect the survival time and quality of patients, and it needs to be timely treated by radiotherapy, surgery and targeted drug therapy to control the progress of the disease and prolong the survival time. Therefore, whether uterine nodules are dangerous or not needs to be judged according to the nature and size of the nodule and the patient’s clinical manifestations, the appearance of nodules should be timely consultation to identify the cause of the disease, and actively cooperate with the doctor to receive standardized treatment.