根据中外研究统计表明，工伤事故的发生具有二定的时间规律和特点：一、昼夜24小时中，回2～18时工伤频数最高，其中16时至I7时则又显著高于其平均值。二、一周内以星期六发生工伤频数最高，这跟人的精神与心理作用有极大关系。三、就季度看，以春季频数最高，这跟“春困”相关 According to statistics from home and abroad, it shows that the occurrence of work-related accidents has two regular patterns of time and characteristics: First, in the 24 hours day and night, the frequency of work-related injuries is the highest between 2 and 18, with the mean time between 16 and 17 hours being significantly higher than the average. Second, the highest frequency of work-related injuries occurred on Saturday in a week, which has a great relationship with the spiritual and psychological functions of the people. Third, the quarterly look, the highest frequency in the spring, which is related to “spring sleepy.”