生产性粉尘是水电施工产生的主要职业性有害因素。将我局1970年至1994年检出的117例尘肺发病资料进行分析,以探讨水电施工尘肺的发病规律,并为今后尘肺防病工作提供依据。一般资料117例尘肺患者均系男性,年龄最小25岁,最大62岁,平均42.5岁。尘肺Ⅰ期45例,Ⅱ期34例,Ⅲ期38例。分布的作业工种中以凿 Productive dust is the main occupational harmful factor produced by hydropower construction. The data of 117 cases of pneumoconiosis detected by our bureau from 1970 to 1994 were analyzed to investigate the regularity of the incidence of pneumoconiosis in hydropower construction and provide the basis for future pneumoconiosis prevention work. General information 117 cases of pneumoconiosis patients are men, the youngest 25 years old, maximum 62 years old, average 42.5 years old. 45 cases of stage Ⅰ pneumoconiosis, 34 cases of stage Ⅱ, 38 cases of stage Ⅲ. Distribution of job types to chisel