Normally, local anesthesia, not general anesthesia, is used for C-sections. General anesthesia in the cesarean section of the use of the situation is relatively rare, are the mother and the fetus is in a more dangerous situation, the need for emergency surgery or other abnormalities, will choose to use general anesthesia for surgery. Because the drugs used in general anesthesia may have an effect on the fetus, the most commonly used sedative drugs will have a respiratory inhibition of newborns, so as a last resort, will not choose general anesthesia in cesarean section. The type of anesthesia used for a C-section is intrathecal. Either epidural or lumbar epidural can achieve very good results, after anesthesia, the lower abdominal muscles will be relaxed, so that it is convenient for the physician to operate, and after the delivery of the fetus can also be additional intravenous drugs. Uterine rupture, placenta praevia hemorrhage threatens the life of the mother and fetus. Mental illness can not cooperate with the line of spinal anesthesia, coagulation abnormalities, sepsis, serious cardiovascular and cerebrovascular disease, local anesthetic allergy, spinal column or puncture site lesions, etc. are not suitable for spinal anesthesia, these cases of pregnant women need to choose general anesthesia for cesarean section.