Young people all over Europe eat lots of fast foods due to the inordinate use of technological devices, thus increasing the tendency to become unfit, obese and in poor health.The global prevalence of childhood and adolescent obesity is high. Lifestyle changes towards a healthy diet, increased physical activity and reduced sedentary activities are recommended to prevent and treat obesity. Evidence suggests that changing these health behaviors can benefit cognitive function and school achievement in children and adolescents in general. But These behaviors may also bring about lack of exercise, stress, unhealthy eating habits. As a result, obesity increases and becomes a big problem for us every day. We believe that healthy lifestyle will develop with parents and teachers’ cooperation and reach to students significantly. In order to give scientific data to this project, we have chosen countries which can help to reach project’s aim with their students and different from us.