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目的：了解西航公司噪声作业工人听力损伤及损失情况，为噪声作业治理提供科学依据。方法：于１９９８ 年３ 月～１２ 月间，按照 Ｇ Ｂ１６１５２ —１９９６ 职业性噪声聋诊断标准及处理原则，对西航集团公司噪声超过９０ｄ Ｂ 的作业现场及３１２ 名工人进行听力损伤、损失调查。结果：听力损失及损伤８０ 人，占被调查人数的２５６ ％ ；自觉耳鸣、耳痛、耳聋等听觉系统症状者１１７ 人，占总检人数的３７５ ％ ；锻工、钣金产生的脉冲噪声对工人听力影响明显高于其他工种；工龄及每天暴露于噪声环境的时间越长，听力损伤、损失越严重；使用防护用具者，听力损害明显减轻。结论：西航公司噪声严重超标，噪声作业工人听力损害严重。必须加强噪声治理及个人防护，切实作好听力损害的一、二级预防。
OBJECTIVE: To understand the hearing impairment and loss of noise workers in XAC and provide a scientific basis for noise management. Methods: From March to December 1998, according to the diagnosis standard and treatment principle of occupational noise deafness of G B16152 -1996, hearing loss and loss investigation were conducted on the operation site of noise of more than 90d B and 312 workers of XAC Group Company. Results: There were 80 hearing loss and injuries, accounting for 25.6% of the investigated population. 117 patients with auditory tinnitus, earache, deafness and other auditory system symptoms accounted for 375% of the total number of examinations. Forging and sheet metal production Impulsive noise has a significantly higher impact on workers’ hearing than other types of workers. The longer the length of service and the daily exposure to noise, the more severe the hearing loss is and the more severe the hearing impairment is. Conclusion: The noise of XH company is seriously exceeded and the hearing worker of noise worker is seriously damaged. We must strengthen the noise control and personal protection, and earnestly make the primary and secondary prevention of hearing impairment.