If the labor conditions are normal, there is no essential difference between a 39-week section and a 40-week section. If the labor conditions are not normal, such as the presence of placenta praevia, the fetus is prone to hypoxia at this stage, and the pregnant woman is prone to vaginal bleeding, abdominal pain, etc., the 40-week cesarean section may be an emergency cesarean section. If the production conditions are all normal, 39 weeks and 40 weeks cesarean section there is no essential difference, both belong to the full-term baby, the fetus has matured. If there are conditions such as intrauterine hypoxia in the fetus, or if there is placenta praevia in the pregnant woman, prolonged labor may result in a pregnancy accident. If there are conditions such as abdominal pain, vaginal discharge, vaginal bleeding, etc. that require emergency admission to the hospital after 39 weeks and between 40 weeks, there is a possibility of choosing emergency cesarean section to terminate the pregnancy. Therefore, for pregnant women who wish to have a cesarean section, it is generally recommended to have an elective surgery at 39 weeks, which is better prepared than an emergency surgery. Before the operation, pregnant women need to regulate their emotions, wait for labor without worrying, and choose the right time for C-section after the doctor’s examination and assessment, so as to avoid excessive stress that may affect their own health and the health of the fetus.