Methods:5mg and 7.5mg bupivacame with small dose of fentanyl was applied to spinal anesthesia on cesarean section with stogie 10 mg bupivacaine as contrast to compare its anesthetic effect and side effects.

• 方法 以布吡卡因 5或 7.；5mg辅以少量芬太尼用于剖宫产术的腰麻；与单纯布吡卡因 10mg比较其麻醉效果及副作用。