据调查，生产性噪声是工业生产过程中产生的主要有害因素之一［１］，其接触人员多、分布范围广。生产性噪声对作业者造成身心健康的影响已日益受到人们的重视。目前，我国已于１９８４、１９８６和１９９０年分别颁布了高温作业、生产性粉尘作业和有毒作业等有毒有害作业危害 According to the survey, productive noise is one of the main harmful factors in the industrial production [1]. It has many contacts and a wide range of distribution. The impact of productive noise on the physical and mental health of workers has drawn increasing attention. At present, China has promulgated hazardous and hazardous operations such as high-temperature operations, dust production operations and toxic operations in 1984, 1986 and 1990, respectively