Intrauterine device removal surgery time: 1, 3-7 days after menstruation 2, early pregnancy with device abortion at the same time to remove the device 3, with device ectopic pregnancy preoperative diagnostic scraping, or in the postoperative discharge to remove the IUD 4, irregular uterine bleeding, ready to take the IUD at the same time need to perform diagnostic scraping, scraping out tissue sent for pathological examination. Contraindications for IUD removal: 1. In case of complications of inflammation of the reproductive tract, anti-infection treatment should be given first, and then removed after cure 2.