There is a mass in the uterine cavity depends on the specific situation, if it is after the abortion, indicating that there is bruising or residual material, you can massage the abdomen appropriately, oral contraction of the uterus or blood circulation and stasis of drugs to promote the discharge. Conservative treatment is ineffective need to promptly perform a purging operation, so as not to affect the repair of the uterus, causing intrauterine infections, and in severe cases, may also lead to hemorrhage. For older patients, who have already stopped menstruation, the appearance of lumps is considered endometrial cancer, immediately take the tissue for pathological examination, and early surgery should be performed after confirmation of the diagnosis. When menstruation comes with more menstrual blood, causing abdominal pain, prolonged period and not easy to clean, consider uterine polyps and fibroids, do hysteroscopy in 3-7 days after menstruation is clean, and formulate a treatment plan according to the results of the examination.