Bleeding after taking emergency contraceptive pills, mainly consider three situations, different situations, the treatment is different. First, withdrawal bleeding, appear in about a week with the drug, 3-5 days to be able to clean, the amount is very small, mostly no discomfort, this situation does not require any treatment, generally will not have a major impact on the patient’s body. Second, the main consideration is to take the contraceptive pill and caused by abnormal vaginal bleeding, mainly manifested in the patient’s non-menstrual period and vaginal bleeding, time is longer, the amount of more or less, the patient may have a small abdominal drop and other discomforts. Patients can do ultrasound to observe the endometrium, can also take Yunnan Baiyao or coffee acid, uterine hemostatic granules and other drugs to stop bleeding for treatment. Third, the main consideration is to take contraceptive pills caused by abnormal pregnancy bleeding, such as preeclampsia or ectopic pregnancy. In this case, patients need to check the blood chorionic gonadotropin, progesterone and ultrasound to make a specific judgment. If it is a preeclamptic miscarriage and there is no requirement for pregnancy, then an abortion will be needed. If it is an ectopic pregnancy, conservative treatment or surgery will be chosen depending on the circumstances.