１００ｇ／ｋｇ莲须煎剂可使小鼠子宫和卵巢重量增加，１０ｇ／ｋｇ莲须可明显提高小鼠痛阈和抑制冰醋酸引起的扭体反应。４４ｍｇ／ｍｌ莲须可使正常兔、孕兔和孕小鼠离体子宫平滑肌收缩力增加 100g/kg lotus root decoction can increase the weight of mouse uterus and ovary, 10g/kg lotus root can significantly increase the mouse pain threshold and inhibit the acetic acid-induced writhing reaction. 4. 4mg/ml lotus root can increase the contractility of isolated uterine smooth muscle in normal rabbits, pregnant rabbits and pregnant mice.