目的　探讨私立学校中学生吸烟行为的影响因素。方法　以美国南加利福尼亚大学提供的“青少年控烟项目调查问卷”为核心 ,对武汉市 8所私立学校 13 0 7名中学生进行问卷调查 ,应用多因素Logistic逐步回归分析方法筛选吸烟影响因素中有显著性意义的变量。结果　父母对子女吸烟的态度、男性好朋友中抽烟人数、吸烟使人看起来成熟、与同班同学的比较学生的学习成绩、学校是否有禁烟规定这 5个因素是影响私立学校中学生吸烟的主要显著因子。结论　针对影响私立学校学生吸烟行为的主要因素 ,应加强其吸烟行为的早期预防教育和干预、控制等措施 Objective To explore the influencing factors of smoking behavior among secondary school students in private schools. Methods A questionnaire survey of 13 0 7 middle school students in 8 private schools in Wuhan City was conducted with the “Questionnaire on Youth Tobacco Control Project” provided by the University of Southern California in the United States. Logistic stepwise regression analysis was used to screen out the influential factors of smoking Meaningful variables. Results The parents’ attitudes toward smoking among their children, smoking among men’s good friends, people who smoked and make people look mature, their academic performance compared with their classmates, and whether the school has a smoking ban are the major factors affecting the smoking among secondary school students in private schools factor. Conclusion In view of the main factors that affect the smoking behaviors of private school students, we should strengthen the early prevention education and the intervention and control measures of smoking behavior