The purpose of this study was to examine the relationship between the smoking experience of some middle school students and their oral health behavior in an effort to provide information on how to teach students to abstain from smoking and improve their oral health behavior to maintain or promote their oral health. The subjects in this study were the students who were in their first, second and third years in four different middle schools located in the city of Iksan, North Jeolla Province. A survey was conducted from June 14 to July 12, 2011, and the collected data were analyzed. The findings of the study were as follows: 1. The students who smoked accounted for 10.6 percent. Out of them, the rates of the boys and the girls respectively stood at 16.0 and 5.4 percent (p＜0.001). 2. As for the life satisfaction of the smoker students, 9.5 percent were satisfied, and 15.0 percent were unsatisfied (p＜0.05). 3. Concerning a plan for quitting smoking, 71.4 percent of the boys and 45.5 percent of the girls planned to give up smoking (p＜0.01). 4. Regarding the links between smoking experience and oral health behavior, the students who had smoking experience got 2.19 in the use of oral hygiene supplies, and the others who hadn``t got 1.97 (p＜0.01). 5. As to the connections between nicotine dependence and oral health behavior, the students who replied they depended on nicotine got 2.68 in education and concern, and those who answered they never did got 3.21 (p＜0.05).