Bleeding after diagnostic scraping is usually within 3-7 days, which is normal. Diagnostic scraping, also known as diagnostic scraping, can be performed blindly with a spatula or with direct visualization under hysteroscopy. It is an examination method for irregular uterine bleeding, which is not well treated with medication, in order to make a clear diagnosis and stop bleeding. During the operation, part of the uterine lining is scraped out with a spatula and sent for pathologic examination to clarify the diagnosis and treat the symptoms, and the bleeding usually stops within 3-7 days. In rare cases, after endometrial malignancy, due to more necrosis of the endometrial tissue and wider erosion, the vaginal bleeding after scraping will last for a longer period of time, so it needs to be treated accordingly under the guidance of the doctor. For patients who need to do diagnostic scraping due to diseases, after the operation, we should pay attention to appropriate rest, don’t exert oneself, and give medicines to stop bleeding and anti-infection for treatment, which is conducive to stopping bleeding and reducing the occurrence of complications.