Abstract:Objective: To discuss the clinical characteristics and precautionary measures of hepatic veno-occlusive disease (VOD) caused by Sedum aizoon. Method: The VOD induced by Sedum aizoon were reports in 41 patients comimg from national medical journals from 1998 to 2007 and their use and dose were analyzed. Result: The results shows that ADR of Sedum aizoon was serious. VOD has relationship with it, s dose use time the age of the patients and individual difference. Conclusion: To avoid of VOD induced by Sedum aizoon, it should be done through strengthening study on pharmacology and toxicology of Sedum aizoon. Enhancing patients of safety awareness, standardizing usage and dosage to guide the clinically rational use of drugs.