Result: Decoction of C. zedoaria significantly increases the spike area, the duration and the number of bursts of action potentials of the uterine smooth muscle and its effect is related dosage.

• 结果：莪术水煎剂可显著增加子宫肌电爆发波的峰面积、持续时间和爆发波的个数，且与剂量相关。