The price of the IUD varies from several hundred to several thousand dollars, there are more types of rings, and the commonly used rings in different regions are different, there is a large price gap, the specific cost needs to be based on the actual local situation. The IUD needs to be placed 3-7 days after the menstrual period is clean, do not have intercourse before the IUD is placed, and do not have intercourse half a month after the IUD is placed, so as not to cause infection or changes in the position of the ring due to stimulation, and take oral anti-inflammatory drugs to prevent infection under the guidance of a doctor. Pay attention to hygiene, wash the vulva with warm water every day, and check the position of the ring in the hospital one month after the ring is placed. The bleeding after the operation is more need to timely review, so as to avoid the ring off resulting in unwanted pregnancy. Pay attention to eat less cold, spicy and stimulating food.