尘肺病是职业病中发病人数最多、危害最大的一种.全国电力行业第一次粉尘危害调查统计(建国以业至1989年期间计算累积尘肺总病例数中死于与尘肺有关的尘肺患者占21.6%.给患者家庭带来巨大的痛苦,企业也因尘肺病蒙受巨大的经济损失.职防人士形象地将其比喻成“杀人不见血的软刀子.” Pneumoconiosis is the most frequently reported and hardest occupational disease among the occupational diseases in China. The first dust hazard survey and statistics of the power industry in the country (from the founding of the People’s Republic of China to 1989) accounted for 21.6% of the total number of pneumoconiosis patients who died of pneumoconiosis The huge suffering to the patient’s family and the huge economic loss caused by the pneumoconiosis also caused the occupying party to describe it metaphorically as “a soft knife that kills blood without blood.”