Generally two children are cesarean section recommended at least 2 years interval can want three children, but there will be individual differences. Cesarean section is a surgical procedure to terminate pregnancy in late pregnancy. Women with a history of two cesarean sections are at increased risk of serious complications such as scarred pregnancy, placenta praevia, uterine rupture, etc. It is recommended that at least two years should elapse until the uterus has recovered fully before having a third child, and in the meantime, it is recommended that effective contraception be used to prevent unintended pregnancies. Since women with a history of two cesarean sections have a significantly higher risk of pregnancy when they get pregnant again, it is important to strengthen the management of pregnancy, strictly follow the doctor’s instructions to undergo obstetric checkups on time, clarify the position of the placenta in relation to the uterine scar and the endocervical opening as early as possible, and closely monitor the fetal heartbeat, fetal movement, and abdominal pain. And according to the condition of the pregnant woman and the fetus, terminate the pregnancy at the right time to ensure the safety of pregnancy.