Withdrawal bleeding has not been cleaned for 15 days, which indicates that there is some hormone disorder or bleeding caused by endometrial lesions. This phenomenon needs to go to the hospital for color ultrasound reexamination, mainly to see the condition of the uterus and endometrium. If the endometrium is still thick, it is recommended to clear the uterus or take medication for conditioning, such as taking motherwort granules orally, or if the endometrium is thick, you need to curette again to stop bleeding, and regulate menstruation. At the same time, you need to take anti-inflammatory drugs orally to prevent the invasion of inflammation. Keep the vulva clean, wash it every day, and then change the underwear frequently. If there is a lot of bleeding, take orally to stop bleeding and strengthen nutrition treatment.