Blood leukorrhea 3 days after diagnostic scraping is normal if there are no uncomfortable symptoms, but if there are symptoms such as abdominal pain, fever and so on, it is recommended to consult a doctor in time. Diagnostic scraping refers to diagnostic scraping, is a common diagnostic method of uterine diseases, diagnostic scraping to exclude acute genital inflammation and other contraindications. Due to the operation of the uterine cavity and endometrial damage, there may be a small amount of vaginal bleeding after the diagnostic scraping, usually within 1 week will recover, so 3 days after the diagnostic scraping of blood leukorrhea is normal, but abdominal pain, fever, and other symptoms is not normal, there may be a risk of infection. After diagnostic scraping, we should pay attention to proper rest, pay attention to the vaginal bleeding, keep the vulva clean and dry, change and wash the underwear, prohibit tub baths and sexual intercourse for 2 weeks, in order to avoid the occurrence of uterine infection. After the operation, we should also follow the doctor’s instructions to give metronidazole and other antibiotics to prevent infection, scraping out the tissue should be sent to the pathology examination in time, and track the results in time. When there is blood and leukorrhea 3 days after scraping, you can go to the hospital to find out the reason and deal with it in time.