The types of contraceptives include long-acting, short-acting, emergency contraceptives, etc. The causes and treatment of bleeding after taking the pill are related to the type of pill used. 1, long-acting contraceptives: after taking long-term contraceptives, due to changes in hormone levels lead to withdrawal bleeding, the amount of bleeding is usually small, the bleeding time is about 1 week, if the amount of bleeding is too much, you can take uterine blood, adrenochromone tablets and other hemostatic drugs under the guidance of the doctor. If the bleeding is too much, under the guidance of the doctor, you can take hemostatic drugs, such as hydrazone tablets, etc. If the patient’s bleeding symptoms are not relieved, you need to go to the hospital for ultrasound examination to check whether there are other gynecological inflammatory diseases; 2. Short-acting contraceptive pills: If you take short-acting contraceptive pills and finish them within 1 cycle, and bleeding occurs 3-7 days after stopping the pills, it is normal menstrual flow and no special treatment is needed; 3. Emergency contraceptive pills: If bleeding occurs after taking the pill, it is mostly due to reactive bleeding of the endometrium after a large intake of progestin. If the bleeding does not exceed 7 days and the amount of bleeding is not too much, it can be left untreated. Generally, the bleeding will mostly stop on its own, but try to pay attention and not to use emergency contraceptives frequently. If the bleeding after oral contraceptive pill is more than the amount of menstruation, lasts longer than the duration of menstruation, and abdominal pain appears, you need to go to the hospital in time to exclude other pathologies.