Cervical cerclage is usually performed to preserve the pregnancy until about 36-37 weeks. Cervical cerclage is usually used for cervical incompetence and can be very effective in preserving the fetus, and the best time to perform the procedure is between 14 and 16 weeks of pregnancy. In addition, pregnant women should rest in bed for 1-2 weeks after cervical cerclage and refrain from sexual intercourse for one month after the operation; eat coarse fiber food, fresh vegetables and fruits, keep the bowels open and avoid constipation; avoid standing for a long time and exercises that increase abdominal pressure. Avoid prolonged standing and exercises that increase abdominal pressure, pay attention to personal hygiene and keep the perineum clean to avoid infection.