Objective:To explore the effect of Total Glucosides of Paeony (TGP) on colon smooth muscle of Guinea pig and the regulative function of M receptor on colon motility in vitro.

• 目的:探讨白芍总甙对离体豚鼠结肠平滑肌的作用方式及结肠平滑肌M受体在调节结肠运动中的作用。