You have to take anti-inflammatory medicine for 1-2 days after the IUD is put on, because after the IUD is put on, the IUD enters the uterine cavity through the vagina and cervix, and due to the special anatomical relationship of gynecology, the uterine cavity is connected to the vulva, and the chances of infections are particularly high, so you have to take anti-inflammatory medicine orally for 1-2 days after the IUD surgery, mainly for the purpose of preventing infections. You should not do heavy labor for 1 week after the IUD procedure because heavy labor may cause the IUD to dislocate. In addition, you should not take a sitz bath for 1 month, so as to prevent the bath water from entering the vagina and causing local infection. It is also recommended to check the position of the IUD after the first menstrual period to see if the IUD has shifted due to the heavy menstrual flow during the first period.