If the withdrawal bleeding is particularly heavy and greater than the menstrual flow, it is recommended to give treatment to stop the bleeding, for example, by taking Yunnan Baiyao or by intramuscular injection of Anluo Blood, both of which are effective. Withdrawal bleeding is often due to the oral emergency contraceptive pill and occurs 3-5 days after stopping the pill. The other type of withdrawal bleeding is the clinical phenomenon of menopause, after the test is not pregnant, oral progesterone to induce menstruation, after stopping the drug is also called withdrawal bleeding, this withdrawal bleeding is often the same as the amount of menstruation. Regardless of the type of withdrawal bleeding, if it is greater than the amount of menstruation, it is an abnormal phenomenon, and appropriate clinical intervention should be given, after which the bleeding will be significantly reduced.