In most cases, the abdominal pain will disappear within 1-2 hours after IUD removal. When removing the IUD, it is necessary to use a dilatation rod to dilate the cervix, and at the same time, it is necessary to remove the IUD with a hook into the uterine cavity, which will stimulate the cervix and the endometrium of the patient, and cause uterine contraction and abdominal pain, which is heavy within 30 minutes after removing the IUD and will gradually decrease, and disappear in about 2 hours, which is a normal physiological reaction, and is usually mild, and does not need medication. It is a normal physiological reaction, usually mild and does not require medication. If the patient has endometrial inflammation or adenomyosis and other diseases, the patient’s pain is very severe when removing the IUD, and the pain after removing the IUD lasts for a very long time, which can last for 1-2 days, or even longer, this kind of pain belongs to the pathologic pain, which is related to the inflammatory diseases or adenomyosis of the patient, and pain relievers, such as ibuprofen, can be used if the pain is more serious.