The purpose of this study was to investigate the eating habits and eating behaviors, nutrition knowledge of students in 4, 5 and 6th graders of elementary school in Jeonju Area. The subjects for questionnaire were 2,568 elementary school students (boys 1,364, girls 1,204). The results were analyzed by SPSS program, and were as follows. In anthropometric data, there were significant differences between boys and girls. In eating habits and eating behaviors, there were significant differences in the rate of ``Hasty eating habit(p<0.01)``, ``Most heavy meal(p<0.01)``, ``Eating when receive stress(p<0.05)``, and ``Frequency of snack eating per day(p<0.01)`` between boys and girls. In total scores of nutrition knowledge, there were significant differences between boys and girls. In nutrition knowledge, there were significant differences in the rate of ``Carbohydrate and fat give heat and force.(p<0.001)``, ``Carbohydrate is nutrient that make muscle and blood of our body.(p<0.01)``, ``Overeating of carbohydrate does not contribute gain of weight.(p<0.05)``, ``To intake vitamin, it is good to eat fresh fruit and vegetable.(p<0.01)``, ``Calcium deficiency is leading to anemia.(p<0.001)`` between boys and girls. In conclusion, systematical educational programs need to be developed at elementary school. These should include information about achieving a balanced diet, good eating habit and behavior, meal management and Korean dietary culture. Also, nutritional education at home must be emphasized.