Abstract: Objective To investigate the pathological change of mice organ intoxicated by Alangium Chinese and its poisoning mechanism.Methods Mice were intoxicated by gavage with extract of Alangium Chinese.Then the histopathologic examination was made for evaluating the pathological changes in the organs of the poisoned mice by HE staining.Results The main pathological changes included alveolar hemorrhage,pulmonary interstitial hemorrhage,sinus hepaticus expansion and congestion,hepatocyte edema,subarach-noid hemorrhage,congestion and hemorrhage of other organs.Conclusion The main target organs or tissue of Alangium Chinese are the lungs,liver and vascular smooth muscle.There is correlation between the toxic effect and the dosage.

Key words: forensic pathology, poisoning, Alangium Chinense, mice