The symptoms of endometrial bleeding are clinically manifested as follows: first, bleeding may be accompanied by pain in the lower abdomen. Second, irregular vaginal bleeding. Third, the bleeding may be mixed with blood clots, and if the bleeding is heavy, the patient may become dizzy or pale, which is clinically caused by anemia. For endometrial bleeding, it is clinically necessary to combine medical history, ultrasound, blood routine and coagulation time examination to understand the causes of bleeding. If abnormal echogenic masses are found in the endometrium through ultrasound examination, it is recommended to do diagnostic scraping and send the scraped out tissues to pathological examination.