碳酸钡经呼吸道和消化道进入体内可引起急慢性中毒，严重者可致死。关于碳酸钡对人体的危害已有较多报道［１－３］。职业接触碳酸钡对人肺部、血象、血清钾及胆碱酯酶等影响的报道甚少，且国内尚未公开碳酸钡车间空气浓度卫生标准和急、慢性中毒诊断标准。为此，我们在健康监 Barium carbonate by the respiratory and gastrointestinal tract into the body can cause acute and chronic poisoning, severe cases can be lethal. On the harm of barium carbonate on the human body has been more reported [1-3]. Occupational exposure to barium carbonate on human lung, blood, serum potassium and cholinesterase and other reports rarely, and domestic publicity has not yet open barium carbonate air quality standards and acute and chronic poisoning diagnostic criteria. To this end, we are in health monitoring