Introduction: College education is important turning point in young people lives and brings many changes in life habits, which can be cause of many diseases in their future so correct diet and physical activity are very important in maintaining good health of young people. Research goal: To examine nutritional habits of University in Rijeka's students, as well as the habits of smoking and physical activity, all in purpose of improvement and advocation of health. Respondents and methods: In research that was conducted among the students of Rijeka's University participated 171 student, of which 89 was female students (52 %) and 82 male students (48 %). Anonymous questionnaire was used to examine physical activity habits, frequency of smoking and nutritional habits of the students. Results and disputation: Female students had an appropriate BMI, while male students had excessive BMI, but better physical activity habits. 1/3 of the respondentes are smoking without significant difference between the genders. Entering the specific groceries resulted untoward ratio of nutritious substances. Students enter more proteins, essential fatty acids and choresterol then recommended values and less carbohydrates. Students nutritional habits weren't significantly different between groups of students considering their phsysical activity, but students with higher body weight (p<0,001) and higher Body Mass Index (p<0,001) were more physicaly active then the others. Conclusions: This study showed differences between entering specific nutrients and gender of the students and interdependance between BMI and physical activity, pointing to the behavior pattern in life habits of the students in this area. Collected results point out to the needs of creating and inducting nutirtional education, parallel with life habits considering smoking and physical activity.