To determine the contents of heavy metals namely lead, cadmium, mercury in edible fungus and explore the contaminative sources of heavy metal. Then raising the corresponding measures of prevention and intervention with investigation in Hengyang city. samples were selected from fresh and dry edible fungi with Stochastic sampling method. Heavy metal elements lead , cadmium and mercury were detected by the graphite furnace atomic absorption spectrometry (GFAAS) and the psychro -atomic fluorescence spectrometry (PAFS) respectively. The results ...