Conclusion : AET analysis of eight types of work resulted in two cluster groups, respectively 27 and 28 stress factors, two types of occupational stress factors of work are greater than the maximum score value of 80 % of the main. 结论:AET分析后8个工种最终形成了2个聚类组,分别有27和28个紧张因素,两类工作职业紧张因素均以大于最大评分值80%为主。