广西两所中学开展学校预防吸烟项目活动已有一年， 本次对两校的活动效果进行了调查评估， 结果显示学生有关吸烟的知识、态度、行为比基线调查均有显著性改变（Ｐ＜ ００５）， 吸烟率（１５０％ ） 比基线调查（２５２％ ） 下降１０２％ ， 对某些知识还存在认识不足、模糊、错误， 尚有待提高。提示使用 《不吸第一支烟》教材， 结合有关课程开展作文和绘画比赛、墙报制作、创作歌曲、远足等活动适合学校开展预防吸烟工作， 值得推广运用。 Two secondary schools in Guangxi have been implementing school preventive smoking program activities for one year. The results of the survey conducted by the two schools showed that the knowledge, attitudes and behavior of students about smoking were significantly different from those of the baseline survey (P <0 ⑤05). The smoking rate (150%) was 102% lower than that of the baseline survey (252%). There was still a lack of understanding, vagueness and error in some knowledge and yet to be improved. Prompted the use of “do not smoke the first cigarette” teaching materials, combined with the course to carry out writing and painting competitions, posters, songwriting, hiking and other activities suitable for schools to carry out prevention of smoking work, it is worth promoting the use of.