Conclusion: We can conclude that croton tigiium and rhubarb have mutual inhibition through observing croton tigiium and rhubarb effect on the volume depletion of gut.

• 结论：通过观察巴豆、大黄对肠容量的影响，说明大黄恶巴豆，二药之间存在相恶的配伍关系。