Calcium, magnesium, zinc and copper content in hair of 60 subjects with ischemic heart disease, chronic peptic ulcer disease and atopic dermatitis was studied using AAS. The average concetration of magnesium, calcium and copper with patients with ischemic heart disease and chronic peptic ulcer disease was found to confirm nearly to literature data. The zinc level was lower then the average con- tentthis element in group of healthly people. The average concentration calcium, magnesium and zinc with patients with atopic dermatitis was higer comparing with average concentration this elements in polish population.