There are two possible reasons for bleeding after 1 week of oral contraceptive pill. One, abnormal bleeding, belong to the contraceptive pill adverse reaction and caused by the withdrawal of bleeding, bleeding time is usually 3-7 days, bleeding volume is similar to the first day of menstruation, or the last day, it is recommended to take oral anti-inflammatory drugs, such as cefixime dispersible tablets plus hemostatic drugs such as Yunnan Baiyao, to anti-inflammatory and hemostatic, so as not to cause infection and anemia. Second, bleeding after 1 week of the emergency contraceptive pill may also be early menstruation, because the emergency contraceptive pill will cause confusion of the menstrual cycle, will cause early menstruation, if the amount of bleeding is similar to the usual amount of menstruation, it may be early menstruation, then pay attention to the menstrual hygiene can.