Objective:To study the mechanism of renal injury induced by aristolochia manshuriensis Kom and possible protective effects of ginkgo biloba leaf. Method:To divide the rats into three groups randomly and observe the changes of renal function, kidney pathology and vasoactive substances of the rats given the medicine in different periods. Results:Renal function injury, kidney tissue morphology, TXB_2 as well as 6-keto-PGF_ 1a level and ET were markedly changed in rats receiving aristolochia manshuriensis Kom...