Abstract: ［Abstract］Objective　To investigate the current status of college students smoking behavior and explore the influencing factors for developing targeted intervention methods．Methods　Questionnaire interview and focus group discussion were used to investigate 1 064 students who were drawn by multi-stage stratified cluster random sampling in 3 universities in Kunming of Yunnan Province．The data were analyzed using Spss 11.0 package．Results　Smoking rates among students in 3 universities was 9.1%．Result showed the relative high levels of smoking rates among males of 16.3% compared to the female of 0.6%．First smoking average age was 15.7．There was no significance difference in smoking rate among three universities．Monthly consume in cigarette，knowledge of lung cancer related smoking， friends smoking， grade in school， father smoking，mother's job and sex were influencing factors．Conclusions　Although smoking rate is lower than other research’s report，comprehensive intervention should be considered，such as higher cigarette tax rate，health education，no smoking family，etc. Intervention should pay more attention to medical students especially.