After the IUD menstrual dribbling, for this situation need to pay attention to the cleanliness and hygiene of the vulva, keep the vulva local dry, breathable, the patient should not cohabit, should pay attention to rest, avoid strenuous exercise, as soon as possible to go to the hospital, check the blood HCG in order to rule out the possibility of pregnancy. If the blood HCG value does not rise, you need to further check the gynecological ultrasound to understand the position of the intrauterine ring. If the IUD has shifted downward, it is recommended to remove the IUD in this case. If the ultrasound shows that the position of the IUD is normal, then oral anti-inflammatory drugs should be taken. If there is no vaginal bleeding after taking anti-inflammatory drugs, the patient can be observed for the time being. If the patient still has vaginal bleeding after taking anti-inflammatory medication, the patient can be considered for IUD removal surgery.