肺活量是反映中学生健康状况的标志之一．为此，我们调查了两所中学的初中一、二、三年级男女学生的肺活量，观察了从1986～1990年连续5年的动态变化．共调查8455人次．结果报告如下．从附表可见，中学生肺活量水平5年来呈现负增长，提示学生的体质有下降趋势，是否与近几年来 Vital capacity is one of the signs reflecting the health status of middle school students. To this end, we investigated the vital capacity of male and female students in primary, secondary and tertiary schools in secondary schools in the two secondary schools and observed the dynamic changes from the period of 1986 to 1990 for five consecutive years. A total of 8455 people were investigated. The results report is as follows. As can be seen from the attached table, the level of lung capacity in middle school students has shown negative growth over the past five years, suggesting that the students’ physical fitness has a downward trend.