Heavy metals Cu, Pb, Cd, Mn, Cr, Fe and Ni were investigated in the medicinal plant Ammi visnaga using atomic adsorption spectrophotometer. The plant was collected from three different regions including polluted, less pollute and relatively unpolluted area of Peshawar. The importance of this study was to investigate the effects of heavy metals on A. visnaga. The local peoples use A. visage for different body disease and for stomach pain too. The study will be of particular importance for public awareness about the heavy metals contents and their possible health effect.