目的　调查了由氧化钙 (生石灰 )制造漂白粉的劳动卫生及工人健康。方法　对车间进行劳动卫生学调查。结果　在氧化钙浓度大部分在 2mg/m3以下的情况下 ,对工人皮肤刺激较明显 ,皮炎明显高于对照组 ;工龄越长 ,皮炎等患病率越高 ,对鼻粘膜和眼结膜刺激 ,观察组较严重 ;白细胞分类 ,中性和淋巴细胞高于正常值明显增多。结论　氧化钙可能通过呼吸系统进入体内 ,氧化钙的职业危害是严重的。 Objective To investigate the labor hygiene and worker’s health of bleaching powder made from calcium oxide (quicklime). Methods to carry out labor hygiene survey of the workshop. Results Most of the calcium oxide concentration was less than 2mg / m3, the skin irritation of workers was more obvious, dermatitis was significantly higher than the control group; longer service life, dermatitis and other higher prevalence of nasal mucosa and conjunctival stimulation, The observation group is more serious; white blood cell classification, neutral and lymphocyte increased significantly higher than normal. Conclusion Calcium oxide may enter the body through the respiratory system, occupational hazards of calcium oxide is serious.