Objectives: This study was to identify the food habits, dietary attitudes and exercise habits of senior elementary students and provide basic data for the development an obesity management program for these children. Methods: The survey participants were 626 fourth to sixth grade elementary students in G city. Data were analyzed by descriptive statistics, $chi^2$-test, t-test, ANOVA and multiple logistic regression. Results: The prevalence of obesity was 9.1%. The score of food habits and dietary attitudes at normal-weight group was higher than that of obese group. The food habits of obese group were significantly different according to gender and consideration eating between meals too often as bad habits. The dietary attitudes were significantly different according to interest in obesity control and consideration eating fast and fat food preference as bad habits in obese group. The factors such as grade, intension in weight control and consideration eating fast, overeating, fat food preference and predilection for some food as bad habits were related to obesity. Conclusion: Food habits and dietary attitudes have relation with obesity of senior elementary students. Thus, to develop of obesity management program for senior elementary students, we considered the food habits and dietary attitudes of them.