The life span of the ring is 7-8 years. When the life span of the ring exceeds this range, it can cause displacement and even the tendency of infection, so when the life span of the ring reaches a certain time, the ring needs to be removed. The ring can be removed under hysteroscopy or ultrasound monitoring to avoid ring breakage. After the removal of the ring, oral anti-inflammatory and hemostatic drugs should be taken according to the doctor’s prescription to help restore the uterine cavity to normal, and oral drugs should be taken according to the doctor’s prescription to avoid adverse reactions.