Conclusions: Pillow support after spinal anesthesia reduces neck stiffness and improves patient satisfaction without an increase on the incidence of postdural puncture headache(PDPH).

• 结论：适宜的枕部高度并不会影响PDPH发生率，但却能改善脊髓麻醉后肩颈痠痛程度，且能增加麻醉满意程度。