Man Yuele refers to levonorgestrel intrauterine device system, it may be normal to have endometrial shedding all the time after using it, but pathological factors, such as gynecological inflammatory diseases, cannot be ruled out. Women who have been having endometrial shedding after using levonorgestrel intrauterine sterilization system may be stimulated by the medicated ring, resulting in endometrial shedding, which is usually a normal phenomenon. However, if a woman develops gynecological inflammatory diseases such as endometritis after using the medication, she may also have endometrial shedding all the time, often accompanied by abdominal pain, abnormal vaginal discharge and other symptoms, which is usually abnormal. Patients may experience irregular bleeding, headache and other discomforts after using the drug. The drug is contraindicated in patients with known or suspected pregnancy, the presence of pelvic inflammatory disease, infections of the lower genital tract, acute liver disease and other diseases. Note that the drug should be used under the supervision of a doctor, avoiding unauthorized use of the drug, which may cause adverse effects. If the use of levonorgestrel intrauterine sterilization system has been the case of endothelial shedding, accompanied by the above discomfort symptoms, it is recommended to consult a doctor in a timely manner, improve the relevant examination to clarify the cause of the disease, and targeted treatment.