Generally speaking, the bleeding of the uterine lining will stop in about 1 week after diagnostic scraping, but there will be individual differences. If the amount of bleeding is small, it can be observed temporarily. If the bleeding lasts longer than the usual number of days of menstruation, and the amount is not too much, you can take Yunnan Baiyao and other medicines to stop bleeding temporarily; if the amount is too much, you need to consult a doctor in time to clarify your condition and treat the symptoms. Diagnostic scraping is diagnostic scraping, is the most commonly used method to diagnose uterine cavity diseases, need to be operated by professional doctors. And to exclude acute genital inflammation and other contraindications, applicable to heavy bleeding and drug treatment is ineffective and need to stop bleeding immediately, or need to carry out endometrial tissue biopsy to diagnose the disease. After diagnostic scraping, we should pay attention to appropriate rest, and take metronidazole and other antibiotics as prescribed by the doctor to prevent infection. Maintain personal hygiene, prohibit sexual intercourse and tub bath within 2 weeks. Generally speaking, it takes about one week for the endometrium to repair itself after diagnostic scraping, and a small amount of bleeding will stop in one week, which is basically the same as the length of menstrual period, but a few women may bleed for more than 10 days or bleed a lot, and need to consult a doctor in time.