Patients with a week after the ring also appeared vaginal bleeding, we should consider the following possibilities: First, the patient is not adapted to the birth control ring bleeding, many patients after the birth control ring will appear bleeding, bleeding can last 1-3 months or even longer, you can choose to use the uterine blood ning, caffeic acid and Yunnan Baiyao medicine and other drugs to treat, if the effect is not good need to be removed from the birth control ring. Secondly, if the position of the IUD is not correct, the IUD may move down or fall off and cause bleeding, you can do ultrasound or gynecological examination to find out the condition of the IUD. Thirdly, it is considered that the sterilization and hygiene are not in place when the IUD is placed, which may cause bleeding due to infection, mostly accompanied by abdominal pain. Fourth, consider the patient with the IUD at the same time combined with cervical, endometrial tumors, or other reproductive tract diseases caused by bleeding, abnormal bleeding medication is not effective, after the removal of the IUD will recur abnormal bleeding, according to the situation of the need for further examination, a clear diagnosis. Fifth, considering the normal vaginal bleeding after the IUD, as long as the patient bleeds for 10 days to sort out the cleanliness, there is no need to do special treatment.