Abstract: In a heavy metal-contaminated site，the health risks of As，Cd，Pb and Zn wereassessed independently by the RBCA and CLEA models，and spatial distribution of the risks was demonstrated through interpolation.The results showed that the RBCAand CLEA models had different merits，and their application should be selected based on conditions at the actual site.In the present study，the non-carcinogenic risks were mainly from Pb and Cd，and the carcinogenic risks were mainly related to As.Although Zn concentration was high，its health risk was small.Risk levels calculated by the two models generally showed little difference.Even when there was some difference，the risk level results were generally within the same order of magnitude.However，for the risk posed by Cd in some sampling points，therisk levels based on the two models differed significantly by two orders of magnitude，showing a tremendous discrepancy of total non-carcinogenic risk.This isbecause the risk calculated by the CLEA model included an additional pathway ofvegetable ingestion.As for the contribution of exposure pathways，the contribution ratio of groundwater ingestion to total risk was more than 50%，and the ratio for vegetable ingestion was about 20%.Spatial distribution of risks also showed different patterns because of different consideration of exposure pathways by the two models.