The aim of this study was to examine the prevalence and characteristics of arterial hypertension in a group of 1519 industrial workers from the region of Nis. The prevalence of arterial hypertension was 21.3%, and was higher in the group of workers professionally exposed to noise, to lead vapour, in shift and nightly workers than in the workers in workplaces without contact to professional noxiousness. Hypercholesterolaemia and hypertrigliceridaemia were more frequently found in the hypertensive workers than in workers without hypertension. It was observed that just a low number of hypertensive workers behaved in keeping with the prescribed therapy and advices.