某化工厂在生产八氯二丙醚的 10多年间 ,2 0名工人中有 13人发生肺癌 ,其中 9人已死亡。通过对该厂的劳动卫生学调查及病例资料分析 ,初步认定工人罹患肺癌系由二氯甲醚引起。提示应加强对存在氯甲醚生产企业的监督、管理 ,控制职业病危害 In a chemical plant that produced octachlorodipropyl ether for more than 10 years, 13 out of 20 workers developed lung cancer, and 9 of them died. Through labor hygiene investigation and case data analysis of the factory, it was initially determined that workers suffering from lung cancer were caused by the use of dichloromethyl ether. It is suggested that the supervision and management of the existing methylchloroform production enterprises should be strengthened to control occupational hazards.