为了解中学生有关吸烟的知识、态度、行为、研究其吸烟倾向和吸烟行为的影响因素，为开展控烟健康教育提供依据，我们对６所中学学生进行了基线（ＫＡＰ）调查，现将结果报告如下。１对象与方法１．１调查对象　采用整群随机抽样方法，调查贵阳市六中、七中、十三中、十四中、 In order to understand the knowledge, attitudes and behavior of middle school students about smoking, and study the factors that affect their smoking tendency and smoking behaviors, we provide the basis for conducting tobacco control health education. We conducted a baseline (KAP) survey among 6 middle school students. The results are reported as follows . 1 Subjects and Methods 1.1 The survey randomized cluster sampling method to investigate six, seven, thirteen, fourteen in Guiyang City,