In the early stage of pregnancy, women should pay attention to proper bed rest and do not move around, and use hip elevation to protect the fetus. 2, when the pregnancy is about 14-22 weeks, you can give the cervical cerclage surgery, and after the surgery, you can give the medicine to suppress the contractions, such as kidney fixation pill, magnesium sulfate, salbutamol and ritodrine hydrochloride. After the operation, we can give drugs such as kidney tonic pill, magnesium sulfate, salbutamol and ritodrine hydrochloride to suppress contractions. After the treatment, the fetus can develop normally in accordance with the gestational week, and no lower abdominal pain or vaginal bleeding can be continued. Usually, at about 37 weeks of gestation, the loop can be removed to await natural delivery. Women with a loose cervix are more likely to have a spontaneous delivery of the fetus during early pregnancy.