This bachelor's thesis deals with eating habits of children at primary-school age from practical nurse's point of view in general practitioner's office for children and youth. We set ourself three essential targets. The first target is: to chart the current situation of primary-school-aged children's eating habits. This target is focused on questionnaires containing basic information about their eating habits, water intake and physical activity. The second target is: to chart the current situation of primary-school-aged children's eating habits from practical nurse's point of view. We did a questionnaire survey with practical nurses in offices of general practitioners for children and youth. The last target highlights the practical nurse's ...