The purpose of this study was to investigate Swedish children’s (twelve years) nutrition and elucidate the possible differences between boys and girls. We have used a quantitative method in which a total of 97 children, 50 boys and 47girls, participated. The study was designed as a questionnaire which was defended by questions and answers. The responses of our study is statistically aggregated and analyzed and compared with the results of previous research has already been executed. In summary, our study showed that there are some significant differences in boys 'and girls' diets. Boys are eating more fast food such as useless and select options for breakfast while the girls consume more fruit and vegetables than boys do.