目的了解在校大学生的吸烟状况及其影响因素,为制定干预措施提供理论依据。方法对921名在校大学生进行吸烟相关知识、态度、和行为的问卷调查。结果调查921人中,吸烟者285人,吸烟率30.94%。男生吸烟率为38.93%,女生吸烟率为4.25%。921名大学生中,87.08%的学生知道吸烟有害健康,绝大多数学生知道吸烟与气管炎、肺癌有关(占80.13%),但对吸烟可造成生殖系统损害及诱发心脑血管系统和消化系统疾病知晓率较低,分别为52.12%、51.90%、33.12%。80.02%的学生反对二手烟,51.15%的学生是在大学校园里尝试第1支烟的。环境影响、转移不良情绪、缓解压力成为导致大学生初始吸烟的主要原因。结论本校在校生的吸烟现象普遍,应当采取积极有效的干预措施,控制学生的吸烟行为。 Objective To understand the smoking status of college students and its influencing factors, and to provide a theoretical basis for making interventions. Methods A questionnaire survey was conducted among 921 undergraduates in smoking knowledge, attitude and behavior. Results Among the 921 people surveyed, 285 were smokers, with a smoking rate of 30.94%. The male smoking rate was 38.93% and the female smoking rate was 4.25%. Among the 921 college students, 87.08% of the students knew that smoking was harmful to health. Most students knew that smoking was related to bronchitis and lung cancer (80.13%), but they could cause reproductive damage and induce cardiovascular and digestive diseases The awareness rate is relatively low, accounting for 52.12%, 51.90% and 33.12% respectively. 80.02% of students oppose secondhand smoke and 51.15% of students try the first cigarette on university campus. Environmental impact, the transfer of bad emotions, to ease the pressure has become the main reason leading to college students smoking. Conclusions Our school students are generally smokers of smoking, should take active and effective interventions to control student smoking behavior.