Abnormal uterine bleeding usually stops about 7 days after the clearance operation, but the exact time varies from person to person and needs to be combined with the patient’s own situation. Abnormal uterine bleeding is mostly due to endocrine disorders, resulting in abnormal thickness of the uterine lining, causing continuous bleeding. If the effect of drug treatment is not good, can be treated by purging surgery, so that the uterine lining completely stripped clean, usually 7 days after the operation will be blood stop. However, if the patient’s physical condition is poor and complicated by infection, the bleeding time will be prolonged. If the patient’s uterus is bleeding abnormally, after the purging operation, the bleeding time is longer, and the bleeding amount is more than the menstrual flow, it is recommended to consult a doctor in time, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, and target treatment.