Introduction:In this study, we aimed to investigate the smoking cessation status of the patients who applied to the Haseki Family Medicine Smoking Cessation Outpatient Clinic and the factors effective in cessation. Method: The study included the patients who applied to our family medicine smoking cessation outpatient clinic between January 2016 and January 2017 and whose anamnesis notes are complete and one year smoking cessation status are known. People with missing information in the control notes were tried to be reached by phone, and those who could not be reached were excluded from the study. Fagerstrom test results which is used for assesing the intensity of physical addiction to nicotine, questionnaires and control examination patient histories used in the outpatient clinic were analyzed retrospectively. Results: 152 people were included in the study, 36,8% (n=56) of them were men and 63,2% (n=96) were women. The average age of the participants was 37,7 ± 11 years. 31.6% (n = 48) of the participants were primary school graduates and 19.1% (n = 29) were high school graduates. 64.5% (n = 98) of the participants were married. 78,4% (n=109) of participants wanted to quit smoking due to health concerns. When smoking habits were questioned, the average number of cigarettes smoked per day was 25,7 ± 10,6, and the age of starting smoking was 17 ± 4,3 years, the average number of attempts to quit smoking was 2,4 times. The most common difficulties in trying to quit smoking were excessive smoking desire and irritability. The fagerstrom nicotine dependence test score of the participants was 6,2 ± 2,3. While the rate of quitting smoking was found to be 67,7% (n=103) at the 3rd month control, this rate decreased to 33,5% (n=51) in one-year controls. As the average number of cigarettes smoked per day increased, the success of smoking cessation decreased in a statistically significant way. (p <0,001). Considering the effects of the drug groups used on the smoking cessation rate, no statistically significant difference was found between the two drug groups (p=0,747). Conclusion: In our study, the one-year smoking cessation rate in our outpatient clinic was found to be 34%, and it was found that the low number of cigarettes smoked daily significantly increased the success of smoking cessation. Family physicians, who approach people with a holistic approach and follow them constantly, can increase the success of smoking cessation by directing smokers to the smoking cessation polyclinic and following their smoking behaviors.