Cardiovascular and cerebrovascular disease are the common and frequently-occurring disease for the old man and are the main cause of death in the world. The Z-8000 polarized zeeman atomic absorption spectrophotometer was used for the determination of Pb, Cr, Cd in seventeen kinds of Chinese traditional medicines. And studied on Pb, Cr, Cd in Zhennao Ning, Di Ao Xinxue Kang, Linao Xin, Xueshuan Xinmai Ning et al. thirteen kinds of Chinese traditional medicines. The result shows that Chinese traditional medicines of cardiovascular and cerebrovascular drugs contain Pb, Cr, Cd and their efficacies are related to Pb, Cr, Cd.