玉矿是稀有非金属矿,工人在开采过程中由于接触玉石粉尘和围岩粉尘而可能罹患尘肺。为了解玉矿作业工人尘肺发病情况,我们对密县玉矿进行了十年(1976年至1985年)尘肺流行病学调查,现分析报告如下。材料与方法凡1976年1月1日至1985年12月31日接尘时间在一年以上的全部在册职工,包括退休、调离和 Jade ore is a rare non-metallic mineral, and workers may experience pneumoconiosis during the mining process due to contact with jade and surrounding rock dust. In order to understand the incidence of pneumoconiosis in jade miners, we conducted epidemiological investigation on pneumoconiosis for ten years (1976-1985) in Mi County, and the analysis report is as follows. MATERIALS AND METHODS All registered workers who took more than one year from January 1, 1976 to December 31, 1985, including retirement, transfer and