在科学、社会和政治生活飞速发展的今天,以嗓音为职业者大为增加。教师、演说家、演员、法学家、解说员、训导员、话务员、播音员、军队指挥官、党和经济管理机关的工作人员,若经常遭受与发声行为相关的职业性损害,违背嗓音使用指导技术和嗓音卫生,就会导致发声器官的病理变化。直接有害因素包括嗓音过度紧张,力所不及的嗓音负担(特别是在温度过高或过低、穿堂风、音响效果差的房间),用声或呼吸不当,课程分配不均衡造成负担,违背用声方法和嗓音卫生等。有害的物理因素(气温、房子空间、空气不足和污染程度)和上呼吸道感染,亦属诱因。作者用 X 线透视和肌电图证实,声带与呼吸 Today, with the rapid development of science, society and politics, there is a great increase in voice occupations. Teachers, orators, performers, jurists, narrators, trainers, operators, broadcasters, military commanders, party and economic management personnel who frequently suffer occupational damage related to vocal behavior violate voice guidance Technology and voice hygiene, it will lead to the pathological changes of vocal organs. Among the immediate and harmful factors are excessive voice tension, unacceptable voice burden (especially in over-temperature or under-ventilation, hall-to-air, poorly sounding rooms), unbalanced distribution of lessons due to improper use of sound or breathing, Methods and voice hygiene. Harmful physical factors (temperature, house space, lack of air and pollution levels) and upper respiratory tract infections are also incentives. The authors confirmed with X-ray and EMG, vocal cord and respiration