The difference between ordinary IUD removal and painless IUD removal is the difference in preoperative preparation, the presence or absence of anesthesia, the difference in cervical laxity, and the difference in cost. 1. Different preoperative preparations: ordinary IUD removal usually does not require fasting before the operation. Painless IUD removal with intravenous anesthesia requires strict fasting and no drinking before the operation. 2. With or without anesthesia: there is no anesthesia in ordinary IUD removal surgery, and the pain is more obvious. Painless IUD removal with anesthesia, the patient feels less or no pain. 3. Cervical relaxation: ordinary IUD removal patients are more nervous, especially post-menopausal women, the cervical opening is tighter, it is relatively difficult to remove the IUD. Painless IUD removal is more relaxing if the cervix is anesthetized locally. 4. Different costs: ordinary IUD removal costs less, painless IUD removal costs more, depending on the type of anesthesia, the cost is also different. The choice between painless IUD removal and ordinary IUD removal requires consultation with a medical professional and a decision based on individual circumstances.