Objective: The aim of this study was to investigate the healthy life behavior levels of the students of the Faculty of Medicine and the factors affecting the healthy life behaviors Methods: The universe of this descriptive study consisted of all students (n=989) studying at Fırat University, Faculty of Medicine in 2017-2018 academic year. 711 of the students included in the research were reached and the participation rate was 71.9%. The study data were obtained by using sociodemographic questionnaire form and Healthy Lifestyle Behavior Scale II (HLBS-II). Data were analyzed using SPSS 22.0 package program with t test and variance analysis, and p <0.05 was considered significant. Results: The mean score of the students was calculated to be 124.79±17.94 points. Those who perceived their health status as moderate and good, who perceived their socioeconomic status as medium and high, those who were 21 years or younger, and those who stated that they had a hobby had higher mean scores in HLSB scale (p<0.05). Male students got higher scores on physical activity subscale than female students did (p<0.05). Female students got higher scores on interpersonal relationship subscale than male students did (p<0.05). Conclusions: The healthy lifestyle behaviors of the students of the Faculty of Medicine were found to be moderate level. The medical students who are future health care workers and role-models of society should be supported in order to make them understand the importance of healthy lifestyle behaviors and to implement these behaviors in daily life.